Percentage Calculator

Understanding Percentages

Percentages are a fundamental part of our daily lives, from calculating discounts in a store to understanding financial reports. This tool breaks down the most common problems into three simple calculators so you can solve any question instantly.

1. Calculate a percentage of a number

This is the most common operation. It answers the question 'What is X% of Y?'. It's perfect for situations like:

• Shopping: Calculate a product's discount. If an $80 item has a 25% discount, how much do you save? (Answer: $20).
• Tips and Taxes: Calculate a 15% tip on a $50 bill or the 21% VAT on a product.

2. What percentage is one number of another?

This calculator answers the question 'What percentage is X of Y?'. It's very useful for measuring progress or proportions.

• Goals and Objectives: If you've saved $300 for a $1200 trip, what percentage of the total have you completed? (Answer: 25%).
• Statistics: If in a class of 30 students, 6 are left-handed, what percentage of the class is left-handed? (Answer: 20%).

3. Calculate percentage increase or decrease

This function tells you the percentage change between an initial value and a final value. It's essential for analyzing trends.

• Investments: If a stock goes from $100 to $112, what was the percentage increase? (Answer: 12%).
• Business Analytics: If your website visits drop from 10,000 to 8,500 in a month, what was the percentage decrease? (Answer: -15%).