To find the percentage of a number, multiply the number by the percentage fraction. A percentage is a proportion between two quantities expressed in hundredths. More »

You can use several techniques to subtract a percentage from a sum in Excel. The Houston Chronicle elaborates on a simple method that can be used in versions of the software up to MS Excel 2013. More »

The average percentage of loss when taking a lump sum payout, such as cashing in an annuity, can be as high as 10 percent, according to Bankrate. Recipients incur liability for federal taxes and penalties if they sell th... More » Business & Finance Financial Calculations

To convert a percentage to a ratio, write out the percentage number as a fraction, reduce the fraction to its simplest form and convert the new fraction to a ratio by replacing the slash mark with a colon. Converting a p... More »

To determine the percentage of a number, divide the fraction of the amount by the whole amount, and multiply the result by 100. As AAA Math explains, to calculate what percentage 68 is of 87, divide 68 by 87; This equals... More » Math Fractions & Percentages

In order to express a number as a percentage, one converts it from a mixed number or fraction to a decimal, moves the decimal point two places to the right and adds the percent sign. By definition, percentage is the rate... More »

A whole number and a mixed number are simplified by first expressing the sum as a fraction with the same denominator as the proper fraction portion of the mixed number, and then simplifying that fraction if possible. The... More »