The easiest way to calculate a percentage is taking 10 percent of any number and multiplying it to find the percentage desired. To calculate 10 percent of a number, simply move the decimal point one place to the left.
Continue ReadingIf there is no decimal point, put a decimal point between the last and the second-to-last digit. To calculate 20 percent, simply multiply 10 percent by 2.
A percentage is a representation of a fraction. It is easy to calculate certain percentages by remembering their fractional representation. For example, 50 percent is equal to one-half; thus dividing a number by two yields 50 percent of that number. Twenty-five percent is equal to one-quarter of a number; thus dividing a number by four gives 25 percent of the number.
Learn more about Fractions & PercentagesThe multiplication of percentages is accomplished by converting the percentage to decimals, and multiplying the decimals. To convert a percentage to a decimal, the percent sign must be removed, and the number divided by 100. The decimal point should always be moved two places to the left when dividing by 100. After dividing 75 by 100, the answer is 0.75.
Full Answer >The easiest way to convert a decimal to a fraction is to let a computer do it for you. Most scientific calculators like those currently produced by Casio or Texas Instruments include a button or feature that allows instant conversion between decimals and fractions. Alternatively, free online resources such as calculatorsoup offer converters for easy public use.
Full Answer >To calculate percentage, divide the number that is to be expressed as a percentage by the total or whole. The resulting number is then multiplied by 100 to obtain the percentage.
Full Answer >To add a percentage to a number, change the percentage to a decimal value, and add one to the value. Multiply the number by the result.
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