% Percentage Calculator

Calculate percentages, percentage change, and more with these easy-to-use calculators.

What is X% of Y?

What is % of = 50

X is what % of Y?

is what % of = 25%

Percentage Change

From to = +25%

Increase/Decrease by Percentage

by % = 120

Percentage Difference

Between and = 40%

💡 Quick Formulas

  • X% of Y = (X/100) × Y
  • X is what % of Y = (X/Y) × 100
  • % Change = ((New - Old) / Old) × 100
  • % Difference = |A - B| / ((A + B) / 2) × 100