What percentage is A of B?Calculate percent difference: What percentage is A of B?Calculate percentages, values, or totals based on your input.Calculation TypeDescriptionUse this to find what percentage one number is of another. For example, to calculate what percent 30 is of 150.TotalValueCalculateRelated LinksWhat is A decreased by B%?What is A increased by B%?What is the percentage change from A to B?What percentage is A of B?What is the total if A is B% of it?What is B% of A?Frequently Asked QuestionsHow do I calculate a percentage from a total?How do I calculate the total from a percentage?What is a percentage change, and how do I calculate it?How do I increase a value by a percentage?How do I decrease a value by a percentage?What is the difference between percentage and percentage points?Can I calculate percentages without a calculator?What is the formula for percentage calculation?Is this percentage calculator accurate?How do I calculate percentages in daily life?