Calculator

Percentage Increase Calculator

Quickly calculate percentage change and understand what growth (or decline) really means.

Percentage Increase Calculator

Enter starting and final values to compute the percentage increase or decrease.

Answer

+25%

Increase from 36 to 45.

How it’s calculated

  1. Subtract starting value from final value: Δ = V2 − V1 = 9
  2. Divide by the absolute starting value: Δ / |V1| = 0.25
  3. Multiply by 100 to get percent.

Formula: ((Final − Starting) / |Starting|) × 100

Method based on common percent change calculation. See also CalculatorSoup’s explanation for percentage increase for reference.