Four modes
Handles percent, ratio, change, and discount at once.
Everyday Calculator
Percentage Calculator — Percent, Change, Discount
Compute Y% of X, what percent X is of Y, A→B percent change, and discounted price with savings — all on one screen.
What is Y% of X?
% of
30
X is what percent of Y?
/
15%
Percent change A → B
→
+25% (increase)
Discount price
−Discount %
40,000
You save: 10,000
What is the percentage calculator?
Four common percentage calculations on one screen: ① Y% of X, ② X is what percent of Y, ③ percent change from A to B, ④ discounted price and savings.
How to use
- 1 Enter the values for the calculation you need.
- 2 Results compute instantly as you type.
- 3 Percent change also shows the increase/decrease direction.
Highlights
Discount + savings
Shows the final price and how much you save.
Instant
Results update as you type.
FAQ
How do I find Y% of X?+
X × Y ÷ 100. For example, 15% of 200 = 30.
How is percent change computed?+
(new − old) ÷ old × 100. For example, 100→125 = +25%.
How is the discount price found?+
Price × (1 − discount%/100). For example, 50,000 −20% = 40,000.
Related tools
General arithmetic, for reference only.