百分比计算器

多种百分比计算模式：百分比、增减幅度、折扣，即时计算结果。

1 What is X% of Y?

What is % of

15% of 200 = 30

2 X is what % of Y?

is what % of

15%

30 is 15% of 200

3 Percentage Change

From to

+50%

Increase of 50 (50%)

4 Discount Calculator

Price Discount %

$60.00

Save $20.00 (25% off)

5 Tip Calculator

Bill People

Percentage Formulas

X% of Y = (X / 100) × Y

X is what % of Y = (X / Y) × 100

Percentage change = ((New - Old) / Old) × 100. Positive = increase, negative = decrease.

Discount = Original Price × (1 - Discount% / 100). The saved amount = Original × Discount% / 100.