Percentage Calculator
Calculate percentages, percentage change, and find what percent one number is of another.
Frequently Asked Questions
What types of percentage calculations does this support?
Three modes: (1) What is X% of Y? (2) X is what percent of Y? (3) Percentage change from X to Y.
How do I calculate a discount?
Use the "X% of Y" mode. Enter the original price as Y and the discount rate as X to get the discount amount.
How do I calculate percentage increase or decrease?
Use the percentage change mode. Enter the original value and the new value and the tool calculates the percentage difference automatically.