Back to all tools

Percentage Change Calculator

Calculate percentage increase or decrease between two values.

+25.00%
% Change
+20.00
Absolute Change
Increase

Formula: ((New − Old) / |Old|) × 100

Example: From 80 to 100 = +25%

About Percentage Change

Percentage Change Calculator determines how much a value has increased or decreased as a percentage. Enter the original and new values and instantly see the percentage change with a clear increase or decrease label. Used widely in finance, analytics, and reporting.

  • Calculates % increase and decrease
  • Shows absolute change value
  • Clear positive/negative labeling
  • Instant calculation