Percentage Calculator
A free online tool to calculate different types of percentages.
How to Use the Percentage Calculator
This Percentage Calculator provides three different percentage calculations. Choose the option that fits your requirement and enter the values to get instant results.
1. Calculate a Percentage of a Number
Use this feature when you want to find a specific percentage of any number.
• Enter the percentage value in the first input field
• Enter the number in the second input field
• Select CALCULATE to view the result on the right side
Example: What is 20% of 150
2. Find What Percentage One Number Is of Another
Choose this option to determine the percentage relation between two values.
• Type the first number in the left input field
• Enter the second number in the right input field
• Click CALCULATE to get the percentage output
Example: 45 is what percent of 90
3. Calculate Percentage Increase or Decrease
Use this section to find percentage change between two values, whether increase or decrease.
• Enter the initial (Old) value
• Enter the updated (New) value
• Click CALCULATE to display the percentage change instantly
Example: Price increased from 500 to 650