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Calculate percentages, percent of totals, and percent change — free and private.
Choose % of, is what %, change, or increase.
Type the two values for your calculation.
Instant answer you can copy for homework, business, or finance.
Cover the most common percentage questions in one place.
Runs in your browser — no data uploaded.
No signup required for everyday calculations.
Each mode explains which number is which.
Quick answers about tools, privacy, limits, and pricing.
Select “X% of Y”, enter the percent and the number, then Calculate.
Use “% change” with the old value and the new value.
Yes. Daily limits may apply by account tier.
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