The Ultimate 3-in-1 Percentage Calculator
Struggling with percentages? Whether you’re calculating a shopping discount, figuring out a tip, or analyzing business growth, our free and easy-to-use calculator provides instant and accurate answers. Use our three specialized tools below to solve any percentage problem in seconds.
1. Percentage of a Number Calculator
Use this calculator to easily find the percentage of any number. It’s perfect for calculating sales tax, commissions, or a discount on a purchase.
2. Part-to-Whole Percentage Calculator
This tool helps you find what percentage one number is of another. It’s great for understanding your score on a test, tracking progress towards a goal, or analyzing survey results.
3. Percentage Change Calculator (Increase/Decrease)
Calculate the percentage increase or decrease between two numbers. This is essential for tracking investment growth, business revenue changes, or price fluctuations.
Frequently Asked Questions
How do you calculate a percentage?
To calculate a percentage, you typically convert the percentage to a decimal (by dividing it by 100) and then multiply it by the total amount. For example, 25% of 200 is calculated as (25 / 100) * 200 = 50.
What is the formula for percentage change?
The formula for percentage change is: ((Final Value – Initial Value) / Initial Value) * 100. A positive result indicates an increase, while a negative result indicates a decrease. Our calculator does this for you automatically.
How can I calculate a shopping discount?
Use our “Percentage of a Number Calculator.” Enter the discount percentage in the first box (e.g., “20” for 20%) and the original price of the item in the second box. The result is the amount of money you save.