a

%

decrease of

is

a

%

increase of

is

Calculate the original number of a decreased percentage by dividing the result of decrease by the decimal number from subtracting 100 by the percent number divided by 100.

Formula:

X percent decrease of Z is Y

Z = Y ÷ [( 100 - X ) ÷ 100 ]Example:

5 percent decrease of Z is 50

Z = 50 ÷ [( 100 - 5 ) ÷ 100 ] = 52.63

Percentage Calculators

Percentage ChangeWhat is _ Percent of __ is What Percent of __ is _ Percent of WhatExample