的 % 是多少?
从 到 增加或减少了多少百分比?
Using the percentage calculator
This percentage calculator intends to answer 4 kinds of questions:
- To calculate a% of b - e.g. 15% of students in the class (20 students total) get grade A, then how many people get "A"?
- To calculate the percentage of a in b - e.g. 3 students in the class(20 students total) get grade A, what is the percentage?
- If we know the percentage of a in b, also know a, what is b?
- Calculate percentage increase or decrease from a to b - e.g. a business has revenue of $100,000 on May and $108,750 on June, what is the growth rate?