Calculatorism

Percent Change Calculator

Compute the percentage change from an old value to a new value.

Input Data

Old
New

Results

Percentage change (negative = decrease).
25
Explanatory note about the result.
(( 100 − 80 ) / 80) × 100% = 25% （增加）

At a glance:Percent change = (new − old)/old × 100%. Complements percentage-calculator and percentage-increase.

Formula

%Δ = (new − old)/old × 100%.

How to Use

  1. Enter old and new values.
  2. The tool returns the percent change.

Case Studies

old 50, new 75

(75−50)/50×100 = 50%.

FAQ

Negative result?

Means a decrease; positive means an increase.

Related Tools

References

Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.

Found a problem with the results?

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