Can I calculate negative percentages?
Yes, the tool handles negative inputs to show percentage decreases or losses.
Professional Grade
Percentage Calculator
Calculate percentages, growth rates, and proportions online with our Percentage Calculator. Instantly solve math problems for finance, shopping, school, or data analysis—fast, accurate, and browser-based.
About This Tool
Handle common percentage tasks in one place: percent of a value, percentage increase/decrease, percentage points, discounts, tax/VAT, and growth rates. Results update instantly with clear labels, making it useful for finance, shopping, grades, and everyday math. Works entirely client‑side with accurate rounding suitable for professional use.
Key Features
What makes this tool special
Calculate percentages, growth rates, and proportions
Multiple percentage formulas for finance and study
Accurate, browser-based calculations
Handles negative and positive values
No data leaves your device
Quick Guide
Master this tool in seconds
Select the specific percentage formula you need.
Input the numerical values into the provided fields.
The result is calculated automatically and displayed below.
Common Questions
Everything you need to know