💯 Percentage Calculator

Three percentage calculators in one: find X% of Y, find what percentage X is of Y, and calculate percentage change.

✓ Free forever

✓ No sign up

✓ No file size limits

✓ Works on all devices

What is X% of Y?

% of = —

X is what % of Y?

is — % of

Percentage change from X to Y

→ = —

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Frequently asked questions

Three: (1) X% of Y, (2) X is what % of Y, and (3) percentage change from old to new value.

Yes, completely free, forever. No hidden fees, no subscriptions, no sign up required.

Tip calculation: 15% of 85 = 12.75. Discount: 20% of 150 = 30. Grade: 45 is what % of 60 = 75%.

Yes — iPhone, Android, Mac, Windows, any browser. No app download needed.