Relative Change Calculator

Your details

Choose which unknown to solve for. The other two fields become inputs.
The starting or reference value. Cannot be zero when solving for relative change.
The ending or new value.
Relative changeIncrease
0.5

The change as a decimal fraction (e.g. 0.5 means +50%)

Relative change (%)50%
Absolute change25
Relative change (%)50
Absolute change25

Relative change: +50.0000%

  • The value increased by 50.0000%, which is a relative change of 0.500000.
  • The absolute (raw) difference between the two values is +25.0000.
  • Note that a 50% increase followed by a 50% decrease does not return to the starting value, because each percentage is calculated against a different base.

Next stepIf you are comparing two numbers without a defined direction, use a percentage difference calculator instead, which treats both values symmetrically.

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