📊 Percentage
Percentage Increase Calculator — % Change & More
Calculate percentage increase, decrease, or change between two values. Also find what X% of a number is, or what percentage one number is of another.
Frequently Asked Questions
How do I calculate percentage increase? +
Percentage increase = ((New Value − Old Value) / |Old Value|) × 100. For example, if a price went from $80 to $100, the increase is ((100−80)/80)×100 = 25%.
What is the difference between percentage increase and percentage points? +
Percentage increase is relative to the original value. Percentage points are the absolute difference. If a rate goes from 10% to 15%, that is a 5 percentage point increase, but a 50% percentage increase.
How do I calculate a percentage decrease? +
Same formula as increase. If the result is negative, it's a decrease. Example: from 200 to 150 = ((150−200)/200)×100 = −25% (a 25% decrease).