How to Use Our Percentage Calculator | Complete Guide

Our percentage calculator tool makes complex percentage calculations simple. Whether you're calculating discounts, tips, or statistical data, follow these easy steps to get accurate results.

Calculating X% of Y

1

Enter the percentage value you want to calculate in the first input field (X%). For example, if you want to find 15% of a number, enter "15".

2

Enter the total amount (Y) in the second input field. This is the number you want to find the percentage of.

3

Click "Calculate" or press Enter to see the result.

Example: To calculate 20% of 150:
Enter 20 in the first field and 150 in the second field.
Result: 20% of 150 = 30

Finding What Percent X is of Y

1

Enter the partial amount (X) in the first input field. This is the portion you want to compare to the whole.

2

Enter the total amount (Y) in the second input field.

3

Click "Calculate" to see what percentage X is of Y.

Example: To find what percent 75 is of 300:
Enter 75 in the first field and 300 in the second field.
Result: 75 is 25% of 300

Calculating Percentage Change

1

Enter the original value (X) in the first input field. This is your starting amount.

2

Enter the new value (Y) in the second input field.

3

Click "Calculate" to see the percentage increase or decrease.

Example: To calculate the percentage change from 80 to 100:
Enter 80 in the first field and 100 in the second field.
Result: From 80 to 100 is a 25% increase