A% of B
Change A → B
A is what % of B
Common formulas
Percentage of a value: percentage × value ÷ 100. Percentage change: (new − old) ÷ old × 100. Part as a percentage of whole: part ÷ whole × 100.
Interactive tool
퍼센트 계산기
Solve percentage change, percentage-of and reverse percentage questions.