Percentage Decrease Calculator
Find out exactly how much a value has dropped, in percentage terms.
Percentage decrease: 20.00%
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How It Works
Enter the original value and the new value. The percentage decrease updates automatically.
Percentage Decrease = ((Old − New) / Old) × 100
Example
Going from 80 to 60 is a 25% decrease.
Frequently Asked Questions
- What if the new value is larger?
- Use the Percentage Increase Calculator instead — this tool assumes the value went down.
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