How it works
(new − original) ÷ |original| × 100
Input definitions
- Original value
- Enter the value in the labeled unit.
- New value
- Enter the value in the labeled unit.
A worked example
- Original value
- 100
- New value
- 120
20
Assumptions & limits
Uses the stated input units. Results are rounded for display; keep additional precision for subsequent calculations.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Can I check the result before using it?
Compare the worked example with your inputs and use the stated method: (new − original) ÷ |original| × 100. Confirm input units and boundary choices before relying on the result.
How does the Percentage change tool work?
(new − original) ÷ |original| × 100.
What are the assumptions and limits of Percentage change?
Uses the stated input units. Results are rounded for display; keep additional precision for subsequent calculations.