DocConvertPRO

Percentage Change Calculator

See how much a value has increased or decreased in percent.

  • Free
  • No signup
  • Private: runs in your browser
  • Works on mobile

Percentage Change Calculator tool

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Example

With the default values shown in the tool, the results look like this:

Percentage increase
25%
Difference
20

How to use Percentage Change Calculator

  1. Enter your values in the fields above.
  2. The result updates instantly as you type or change an option.
  3. Copy the result or note it down. Nothing is saved on our servers.

Why use DocConvertPRO?

  • Free to use with no signup or watermark.
  • Everything runs in your browser. Your input is not uploaded.
  • Works on phones, tablets and computers.
  • Made for Indian users: rupees, lakh/crore formats and local use cases.

About this tool

Change % = (New − Old) ÷ |Old| × 100.

Frequently asked questions

Is percentage change symmetric?

No. A rise from 80 to 100 is 25%, but a fall from 100 to 80 is 20%.

What if old value is zero?

The change cannot be expressed as a percentage.

Can it be negative?

Yes, which means a decrease.

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