％ Percentage Calculator
Quickly calculate percentages both ways.
What is X% of Y?
% of
X is what % of Y?
is what % of
📋 How to Use
1. Pick the type of percentage calculation you need (X% of Y, what % is X of Y, or percentage change).
2. Enter your numbers into the fields.
3. Read the instant result below.
✅ Features
Covers the three most common percentage questions in one tool instead of separate calculators.
Instant results with no page reload.
Useful for discounts, grades, tips and everyday quick math.
Frequently Asked Questions
How do I calculate a percentage increase or decrease?
Use the "percentage change" option: enter the original and new value, and it calculates the percentage difference between them, correctly handling both increases and decreases.
Why do "20% of 50" and "50% of 20" give the same answer?
Percentage calculations are commutative in this specific sense — mathematically, X% of Y always equals Y% of X, since both are just (X × Y) / 100.