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.

Percentage Calculator

Four common percentage operations in one place.

What is A% of B?

A is what percent of B?

Percent change from A to B

Price after discount

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. 1 Enter the values for the calculation you need.
  2. 2 Results compute instantly as you type.
  3. 3 Percent change also shows the increase/decrease direction.

Highlights

Four modes

Handles percent, ratio, change, and discount at once.

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.