Percentage change calculator
Numbers, grades, and study plans stay in your browser; results show formulas or intermediate values for checking.
Search and use guide
Percentage change calculator
Calculate increase, decrease, difference, and reverse percentage. privacy-first-browser-tooling
Who it helps
- Calculate increase, decrease, difference, and reverse percentage.
- Difference = new value minus old value. Percent change = difference divided by old value times 100%.
- old value 80 and new value 100 gives a difference of 20 and a 25% increase.
What you can enter
- old value 80 and new value 100 gives a difference of 20 and a 25% increase.
- Difference = new value minus old value. Percent change = difference divided by old value times 100%.
How to read results
Difference = new value minus old value. Percent change = difference divided by old value times 100%. privacy-first-browser-tooling
Data and privacy
GoGo Tools records analytics by tool slug only and does not include your input values. privacy-safe-analytics-only
Feedback
How can we improve this tool?
Send a suggestion or bug report for this tool.
FAQ
Does it only show the answer?
No. It shows formulas or intermediate values so you can check the calculation.
Is data uploaded?
No. Grades, numbers, and study plans stay in your browser.
Is this an official grade system?
No. Official grades, GPA mappings, and school rules should come from your institution.
Can I use it with different school systems?
Yes as a general calculator; adjust inputs for your course weights and grading scale.