Free browser-based tool
Percentage Change Calculator
Calculate the percentage change, increase, or decrease between two values. Shows formula and detailed breakdown.
Quick Examples
Enter both values above to see the percentage change.
Percentage Change Formula
Percentage change shows the relative difference between an old value and a new value:
Percentage Change = ((New Value - Old Value) / Old Value) × 100
📈 Positive Result = Increase
New value is higher than old value
📉 Negative Result = Decrease
New value is lower than old value
Step-by-Step Calculation
Let's calculate the percentage change from 200 to 250:
Find the difference
Divide by the original value
Multiply by 100
Result: The value increased by 25%
Common Uses
💰 Finance
Track stock price changes, portfolio growth, revenue increases
🛒 Sales & Marketing
Measure conversion rate improvements, traffic growth
📊 Business Analytics
Compare quarter-over-quarter or year-over-year performance
💪 Health & Fitness
Track weight loss/gain, body fat percentage changes