Percentage calculator

Choose a calculation type, enter your numbers, then press Calculate.

X% of Y

X is what % of Y

Percentage change

Percentage (%)

Of (number)

Results

These are estimates based on your inputs.

Answer

—

Calculated result

Working

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A quick sanity check

› How this calculator works

X% of Y = (X ÷ 100) × Y

X is what % of Y = (X ÷ Y) × 100

Percentage change = ((new − old) ÷ old) × 100