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Online percentage calculator, with many common phrases to make the calculation more simple and easy.

Calculate percentage, increase and/or decrease percent, reverse percentage, the percentage change between two numbers, and the percentage converter.

Divide the percentage number by 100, you will get the decimal number of the percentage, then multiply the decimal number by a number to get the percentage of the number.

Formula:

X percent of Y number

X% of Y = ( X / 100 ) x YExample:

5 percent of 80

5% of 80 = ( 5 / 100 ) x 80 = 4

Divide the number with the total number, and multiplied by 100, to get the percentage of the number from the total number.

Formula:

X is what percent of Y

Percentage = ( X ÷ Y ) x 100Example:

5 is what percent of 80

( 5 ÷ 80 ) x 100 = 6.25%

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