Percentage Calculator
Four percentage calculators in one: find X% of Y, calculate what percent X is of Y, percentage change, and discount prices. Results update as you type.
Formula: Result = (X / 100) × Y
What is
%
of
?
Result
—
Formula: Percentage = (X / Y) × 100
is what % of
?
Percentage
—
Formula: % Change = ((New − Old) / |Old|) × 100
From
to
Percentage Change
—
Formula: Final Price = Original × (1 − Discount% / 100)
Original price
with
% off
Final Price
—
Original price
—
Discount amount
—
You pay
—
When to use a Percentage Calculator?
🛒 Shopping & Discounts
Instantly calculate how much you save during sales.
📊 Finance & Investing
Track gains, losses and investment returns.
🎓 School & Exams
Calculate grades and exam scores.
📈 Business & Analytics
Sales growth, margins and conversion rates.