Review of Introductory Mathematics PERCENTAGESExample:Change 2.7 to percent.2.7 x 100 = 270%ChangingCommonFractionsandWholeNumberstoPercentWhen changing common fractions to percent, convert the fraction to a decimal, then multiply by100 and add the percent symbol.Example:Change to a percent350.6 x 100 = 60%When changing a whole number to a percent, multiply by 100 and add the percent symbol.Example:Change 10 to percent10 x 100 = 1000%Percents are usually 100% or less. Percents are most often used to describe a fraction, but canbe used to show values greater than 1(100%). Examples are 110%, 200%, etc.ChangingaPercenttoaDecimalAny number written as a percent may be written as a decimal. To change a percent to a decimal,drop the percent symbol and divide by 100.Example:Express 33.5% in decimal form.= 0.33533.5100Express 3.35% in decimal form.= 0.03353.35100Rev. 0 Page 57 MA-01

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business