Advertisement

Percentage Calculator

Three different percentage calculations — find a percentage, find what percentage, and calculate percentage change.

① What is X% of Y?

% of =

② X is what % of Y?

is what % of =

③ Percentage Change

From to =

④ Find original value (value after percentage change)

New value after % =
Advertisement

Percentage Formula Guide

  • X% of Y = (X / 100) × Y
  • X is what % of Y = (X / Y) × 100
  • % change = ((New − Old) / |Old|) × 100
  • Original value = New Value / (1 ± change/100)
Advertisement