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Percentage calculator

Three identities students and shoppers actually type into search.

Defaults to your region. Switch to compare any other scale.

Result

45

18% of 250

    Formula

    • Percentage = (part ÷ whole) × 100
    • Change = ((new − old) ÷ old) × 100
    • Whole = part ÷ (percent ÷ 100)

    How it is calculated

    1. Choose the mode.
    2. Fill the two known values.
    3. The third is computed from the matching identity.

    Questions

    Percent change vs points?

    If a rate goes from 10% to 12%, that is a 2 percentage-point rise and a 20% relative change. This tool reports the relative change.

    Sources

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