Percentage Decrease Calculator – Find Percent Decline
Calculate the percentage of decrease from an original value to a new value. Essential for finding the percentage of a price reduction, performance drop, or cost savings.
Calculate the Percent Decrease
Enter the original and new values (e.g., from 200 to 150).
Result will appear here.
How to Calculate Percent Decrease Manually
The formula involves taking the difference (original minus new), dividing by the original number, and multiplying by 100 to get the percentage.
Formula: ((Original − New) ÷ Original) × 100
Example: Original = 150, New = 120 → ((150 − 120) ÷ 150) × 100 = 20% decrease
A must-have tool for tracking value decline or confirming advertised discounts.