Percentage Increase Calculator

Calculate the percentage increase between an original value and a new value. Instant results with formula and worked example.

Percentage Increase Formula

% Increase = ((New Value − Original Value) / Original Value) × 100
Example: Original = 80, New = 100
% Increase = ((100 − 80) / 80) × 100 = (20 / 80) × 100 = 25%

Common Percentage Increase Values

OriginalNew Value% Increase
10011010%
10012525%
10015050%
100200100%
507550%
20025025%

FAQ

What if the result is negative?

A negative result means the value decreased. Use the Percentage Decrease Calculator for that scenario.

Last updated: 2026-08-08