# Reverse Percentage Calculator Online

Reverse Percentage Calculator is online tool to ease any calculate the terms like - find percentage between two numbers/values, is what percentage of, what percentage of is, how to calculate percentage of, percentage of and is of what number.

**Answer in Percentage:**

The Answer is:

**Formula For Reverse Percentage Calculation?**

(First Value / Second Value) * 100 = Final Value %

**When to use Reverse Percentage Calculation?**

If you are looking to calculate reverse percentage or find percentage between two values, use this tool for the final percentage value result.

**How to calculate reverse percentage?**

- Step 1: To calculate reverse percentage.
- Step 2: First divide the two values and multiply the final value by 100.
- Step 3: Hence, (first value / second value) * 100 = Final Value.
- Step 4: Lets, consider A as first value and B as second value.
- Step 5: The Formula for reverse percentage calculation is ((A / B) * 100) = C.

**For Example:**

**20 is what percent of 30?**

Solution:

= (first value / second value) * 100

= (20/30) x 100

= 66.6666666667%

**what percent of 20 is 40?**

Solution:

= (first value / second value) * 100

= (20/40) x 100

= 50%