Percentage Calculator
Simple percentage tools for discounts, changes, profit, loss, and missing numbers.
1. Find a percentage of a number
Example: What is 15% of 200? The answer is 30.
Result
0
2. Find what percent one number is
Example: 30 is what percent of 1,000? The answer is 3%.
Result
0%
3. Find the whole number
Example: 500 is 10% of what number? The answer is 5,000.
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0
4. Find the percent change
Example: From 100 to 120 is a 20% increase. From 100 to 80 is a 20% decrease.
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0%
5. Find profit percentage based on cost
Example: Buy for 200 and sell for 300. Profit is 100, which is 50% of the cost.
Result
Profit 0%
6. Find loss percentage based on cost
Example: Buy for 1,000 and sell for 800. Loss is 200, which is 20% of the cost.
Result
Loss 0%