Solve common percentage questions instantly with visual results.
Use this percentage calculator to solve percent-of problems, percent change, and percent difference.
Switch between common phrases and get instant results plus a simple graph.
Multiply Y by X/100 to get the result.
Divide X by Y and multiply by 100.
Subtract old from new, divide by old, then multiply by 100.
Divide the absolute difference by the average of two values, then multiply by 100.
Yes. Use percent-of or percent-change for discounts.
Yes. Choose increase or decrease for percent change.
Yes. It is free and does not require registration.
Yes. Use the copy results button.
Percent questions typically relate a part to a whole.
Yes. It visualizes the result for quick comparison.
This percentage calculator solves the most common percentage questions: percent of a number, what percent one number is of another, percent change, and percent difference. It also visualizes results with a simple graph.
Percent = (Part / Whole) × 100
Percent Change = (New − Old) / Old × 100
Percent Difference = |A − B| / ((A + B) / 2) × 100
25% of $200 = $50. Use percent-of to calculate discounts.
Sales from 120 to 150: percent change = 25% increase.
80 is what percent of 100? It is 80%.
Compare $95 and $105: percent difference ≈ 10.00%.
Multiply 150 by 0.20 to get 30.
Divide 45 by 60 and multiply by 100 to get 75%.
Use (New − Old) ÷ Old × 100. A positive value is an increase.
It compares two values symmetrically without assuming one is the original.
Yes. Percent-of and percent-change cover discounts, markups, and margins.
Percentages describe relationships between two quantities.
Yes. The graph visualizes the percent value.
Yes. The percentage calculator is free.
Disclaimer: This calculator is for informational purposes only and does not constitute legal or financial advice. We do not guarantee the accuracy or completeness of the results. Please consult a qualified professional for advice specific to your situation.