Percentage Calculator
Solve any percentage problem instantly.
💰 Common Tax Percentages for Freelancers
Tip: use Calculator 1 above — enter 25% of your last payment amount to find out exactly how much to set aside.
How to Calculate Percentages
How do I calculate what X% of Y is?
To find a percentage of a number, convert the percentage to a decimal (by dividing by 100) and multiply it by the number. For example, 20% of 50 is 0.20 × 50 = 10.
How do I calculate percentage increase?
To calculate a percentage increase from an old value to a new value: subtract the old value from the new value, divide the result by the absolute value of the old value, and multiply by 100.
How do I find what percent X is of Y?
Simply divide X by Y and multiply the result by 100. For example, to find what percent 15 is of 60: (15 ÷ 60) × 100 = 25%.
Can percentages be negative?
Yes, specifically in the context of percentage change. A negative percentage change indicates a decrease from the original value.
Why is this useful for freelancers?
Freelancers use percentage calculations constantly to determine tax liabilities (e.g., 15.3% SE tax), calculate client discounts, mark up materials, and track year-over-year revenue growth.