How to Calculate Percentages
What is X% of Y? Multiply the percentage by the number and divide by 100.
X is what % of Y? Divide X by Y and multiply by 100.
Percentage Increase: ((New - Original) / Original) × 100
Percentage Decrease: ((Original - New) / Original) × 100
Frequently Asked Questions
What is a percentage?
A percentage is a number expressed as a fraction of 100. For example, 50% means 50 out of 100.
How do I calculate 15% of 200?
Multiply 15 by 200 and divide by 100. (15 × 200) ÷ 100 = 30.
What's the difference between percentage increase and decrease?
Percentage increase shows growth ((New - Original) / Original × 100), while decrease shows decline ((Original - New) / Original × 100).