What percentage of Y is X?

What is X% of Y?

Percentage change

Percentage increase/decrease

Discount calculation

Ratio Calculation

Examples of Use

Percentage Calculation

What percentage of 100 is 25?
Answer: 25%

Value Calculation

What is 15% of 200?
Answer: 30

Change Rate

Change from 80 to 100
Percentage Increase: 25%

Discount Calculation

Original price 100, with a 20% discount
Discounted Price: 80