• Percent
A percent is the number of parts out of 100 of something. For example, a quarter (25 cents) is 25 percent of a dollar (100 cents). It is the numerator of a fraction whose denominator is 100. So, the fraction 25/100 is 25 percent, sometimes written as 25%. If you have a decimal number, like .72 and you want to convert it to a percent, you just multiply it by 100. So the decimal .72 becomes (100 X .72) = 72 percent. The following table shows you how to convert between fractions, decimals and percents:
... to a fraction... to a decimal... to a percent
From a fraction ... Divide the numerator of the fraction by the denominator
Example 3/4: divide 3 by 4 to get .75
Convert to a decimal, then multiply by 100
Example: 3/4 is the decimal .75
.75 X 100 = 75%
From a decimal ... If the decimal has 1 number past the decimal ===> Multiply by 10 to get the numerator and make the denominator 10 Example: .7 X 10 = 7Fraction is 7/10 If the decimal has 2 numbers past the decimal ===> Multiply by 100 to get the numerator and make the denominator 100 Example: .72 X 100 = 72Fraction is 72/100 If the decimal has 3 numbers past the decimal ===> Multiply by 1000 to get the numerator and make the denominator 1000 Example: .725 X 1000 = 725Fraction is 725/1000
Multiply the decimal by 100
Example: .38 X 100 = 38%
From a percent ...Make a fraction by making the percent the numerator
with a denominator of 100
Example: 38% = 38/100
Divide the percent by 100
Example: 38%: divide 38 by 100 to get .38

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