How to find what percent X is of Y?

To find what percent one number (A) is of another number (B), divide the part (A) by the whole (B) and multiply the result by 100. This is standard division converted to a percentage format.

Formula

Result % = (Part ÷ Whole) × 100

Worked Example

What percent of 50 is 10?

  1. Divide: 10 ÷ 50 = 0.20
  2. Multiply: 0.20 × 100 = 20%

Result: 10 is 20% of 50.

Need to calculate this instantly?

Use our free What Percent is A of B Calculator to get the answer in seconds.

Use Calculator