What is A decreased by B%?Percentage decrease calculator: What is A decreased by B%?Calculate percentages, values, or totals based on your input.Calculation TypeDescriptionUse this to decrease a number by a certain percentage. For example, to calculate what 100 becomes when decreased by 20%.ValuePercentageCalculateRelated 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?