Sometimes, you will be required to calculate percentages by working backward.
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How to calculate percentages by working backward Then multiply 0.15 by 100 = 15% or 15 percent.Īnother example is if you are to convert 5/10 to a percentage, you should divide 5 by 10 = 0.5. However, if you are required to convert 3/20 to a percentage, you should divide 3 by 20 = 0.15. Another example of converting a decimal to a percentage is 0.03 x 100 = 3% or 3 percent. Therefore, 0.57 as a percentage = 57% or 57 percent. If you are required to convert a decimal number like 0.57 to a percentage, you are to simply multiply it by 100. Multiply the result of the mathematical process by 100 However, if it is a fraction like 3/20, you should first divide the numerator (3 in this case) by the denominator (20 in this case) to get a decimal number. If the number to be converted to a percentage is a decimal number like 0.57, you may not need to do anything to it before you go to the next step. Carry out a mathematical process on the number to be converted to a percentage The initial format will determine the next mathematical process to be carried out on the number. A good example of a decimal number is 0.57, which may be the calculated ratio of the values you are comparing, while an example of a fraction is 3/20. The number to be converted to a percentage can either be in the decimal or fraction format. Determine the initial format of the number to be converted to a percentage Multiply the result of the mathematical process by 100ġ. There are many online calculators to find percentages, but percentages can be calculated manually by following these steps:ĭetermine the initial format of the number to be converted to a percentageĬarry out a mathematical process on the number to be converted to a percentage Related: 10 Best Skills to Include on a Resume How to calculate percentages
The term percentage was formed from two words, “per” and “cent.” Cent is a word with Latin and French origin that means "hundred," and "percent" means "per hundred." For example, 90 percent (or 90%) means 90 out of 100 while 50 percent (or 50%) means 50 out of 100 or half of a whole. An example of a percentage is 65% or 65 percent. They are usually denoted as "%" or simply "percent." They may be further represented as simple fractions or as decimal fractions. Mathematically, percentages are either numbers or ratios that are expressed as fractions of 100. In this article, we show you what percentages are, how to calculate them and everyday examples of their use. Sometimes, when there is the need to find the ratio or portion of a quantity as a part of another quantity, you will need to express it as a percentage. Calculating percentages is an easy mathematical process to carry out.
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