Percentage change of a number

The calculation of the change in one number relative to another can be represented as a percentage. This calculator is designed to quickly and correctly calculate the percentage increase or decrease. It is also suitable for counting the percentage increase in prices for any product.

Enter 2 numbers to determine the percentage increase (decrease)
from to
Percentage increase (decrease):

Calculation formula

% increase = 100 x (B — A) / A
% decrease = 100 x (A — B) / A
In this formula: A is the old number, B is the new one.