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Percentage Increase & Decrease Calculator

Compute percentage growth, reduction, markup, and discount between starting and final values.

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Percentage Increase & Decrease

Percentage Change Result
+50%
Absolute Difference:
+25
Status:
increase

What this tool does

Calculates the exact percentage increase or decrease from an initial starting number to a final value, showing both relative percentage and absolute nominal change.

How to use this tool

  1. Enter the initial (starting) value.
  2. Enter the final (ending) value.
  3. View whether the change represents an increase, decrease, or zero change, along with the percentage and difference.

Percentage Change Formula

Percentage Change = ((Final Value - Initial Value) / |Initial Value|) × 100

A positive result indicates growth/increase, while a negative result represents a reduction/decrease.

Practical Examples

Revenue Growth

Company revenue increased from $50,000 to $65,000.

Input: From 50000 to 65000
Output: +30.0% increase (+$15,000)

Price Drop

Fuel price dropped from $4.00 to $3.40.

Input: From 4.00 to 3.40
Output: -15.0% decrease (-$0.60)

Frequently Asked Questions

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