How do I work out 15% when my mobile phone calculator has no % key? Multiply the original pay amount by 0.0205. Some calculators even have a % button that makes the calculation even easier. denominator, represents the total number of pieces in the pie. Simply use your calculator to perform the subtraction of. write the 25% as its decimal equivalent 0.25 and conduct the operation. If you want to find out what 10 percent of the number is key in 10 and then hit the percent key. If you want to find out what 10 percent of the number is key in 10 and then hit the percent key. If the question is "What is 25 percent of 40?" To find 15% of 100, rewrite the 15% as 0.15. Perform calculations involving more than one action. Multiply 754,832 by 0.1. Locate the percentage key. Read more to learn how to find percentages without using the percentage button! Her work has appeared in "Juice," "Ibid," and a number of websites. Key in the number that is to be divided, into the first and hit the equal key to get your answer (450 / 50 = 9). Melvin J. Richardson has been a freelance writer for two years with Associated Content, and writes about topics such as banking, credit and collections, goal setting, financial services, management, health and fitness. The example of 1/4, which has a decimal equivalent of 0.25, can be turned into the percentage 25%. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Put the symbol back in your final answer. When you use a calculator it helps you save time by helping you find the answer to a variety of transactions. wikiHow is where trusted research and expert knowledge come together. You can use a calculator to easily work out percentages. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. First enter the number you want to subtract from and then hit the subtract key (-), and enter the number to be subtracted from the first and hit the equal key (100 - 25 = 75). Add that to the original pay amount to find the new pay amount. If your calculator has a percentage button, the calculation is as follows: If your calculator does not have a percentage button, you must divide the percentage by 100 before completing the calculation: You can then divide the part by this answer to determine the whole: Double-check your answer, particularly if it seems unlikely. Enter 450 and hit the addition key and enter the number to be added (25), and now hit the division key and enter the next number (25), and then hit the equal key to receive the answer of 19 (450 + 25 / 25 = 19). If you eat 2 apples, then you have eaten 2 out of the whole 10 apples (2 / 10 × 100% = 20% eaten). If you want to perform percentages and other formulas you must become familiar with all of the keys on the calculator. the missing term is the whole. For example. If something drops in number such as the amount of goods you have left, this calculation allows you to measure using percentages how much the decrease is. shifting the decimal point by two spaces to the right and then adding a % sign. convert any number from its percentage form to its decimal form. "The complete how to figure it"; Darrell Huff, Carolyn R. Kinsey; 1996. What is the percentage? , 5, %. Read more to learn how to find percentages without using the percentage button! We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. 0% represents nothing, and 100% represents the entire amount. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. The result is 0.25. Thus, 100% means the whole thing (whatever is being measured), while 50% means one half. Divide the first number by the second, then multiply by 100 (and add the % mark). Everything else is somewhere in between! Find the addition key. To do percentages on a calculator using the percentage button, enter the percentage times the original number. Locate the multiplication key on your calculator. Multiply (x/y) by 100. If your calculator has a percentage button, press it to determine the percentage. Certain transactions can be completed in different ways. The calculator will now show the value of 0.825. If your calculator does not have such a button, multiply your previous answer by 100 to determine the percentage: 0.25 × 100 = 25\% 0.25×100 = 25% If the omitted term is the part, use the calculator to multiply the whole by the percentage to determine the answer. If you want to add using a calculator you will first enter a number you want to add then hit the addition key, (+) and enter the next number and then hit the equal key and your answer will be displayed (45 + 73 = 118). Richardson has worked for several banks and financial institutions and gained invaluable experience and knowledge. Divide 19 by 29, then multiply the quotient by 100, and add the % mark. Include your email address to get a message when this question is answered. Divide the difference (5,064) by the original number (277,088). Thanks to all authors for creating a page that has been read 240,175 times. You can perform calculations that allow you to perform two or more calculations, such as addition and division. % of people told us that this article helped them. As you enter the numbers for this calculation, you should notice that as soon as your hit the % button, your number of 15 converts to .15. 100% represents the entire income from some project, but then you must subtract, for example, 10% for expenses, 12% for salaries, and 25% for taxes. Converting Fractions and Decimals to Percentages, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/13\/Do-Percentages-on-a-Calculator-Step-1-Version-2.jpg\/v4-460px-Do-Percentages-on-a-Calculator-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/1\/13\/Do-Percentages-on-a-Calculator-Step-1-Version-2.jpg\/aid3946579-v4-728px-Do-Percentages-on-a-Calculator-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"