To find a percentage, divide the number of times something occurred by the total number of possible occurrences and then multiply by 100. If a player made nine of 10 shots, divide nine by 10 and get 0.9. Multiply 0.9 by ... More »

www.reference.com Math Fractions & Percentages

The formula for finding percentages is to divide part of the whole quantity by the whole quantity and then multiply by 100 percent. A percentage change can be found by simply dividing the old quantity into the difference... More »

To find the percentage, divide the part by the whole and multiply the result by 100. A percentage represents a portion of a whole. The portion over the whole is a fraction that can then be converted into a percentage. More »

www.reference.com Math Fractions & Percentages

To calculate percentages, convert the percentage to a decimal and multiply it by the number in the problem. For example, to find 40 percent of 50, change it to 0.40 times 50, which gives you the result of 20. More »

A calculator is always helpful when determining percentages, but you can easily compute percentages without a calculator. A pencil and paper might be helpful as you do this. More »

www.reference.com Math Fractions & Percentages

To average percentages, one should add up all the numbers involved, then divide the total sum by the amount of numbers added. It is best to convert the percentages to decimals first. More »

No one person invented percentages. The concept developed throughout history. In Ancient Rome mathematical computation were expressed in fractions of 100. This concept later evolved into percentages. More »