My US Calculator

Percentage Calculator

Solve the three most common percentage questions: what is A% of B, what percent A is of B, and percent change from A to B.

Result

30.00

How it's calculated

Percent of: (A/100) × B. Is-what-percent-of: (A/B) × 100. Percent change: ((B−A)/A) × 100.

Worked example

What is 20% of 150? The answer is 30, shown live above.