Как работает — Бесплатный калькулятор процентов
Our calculator solves three types of percentage problems instantly. Here's how each one works:
1
Сколько X% от Y?
Результат = (X / 100) × Y
15% × 200 = 30
2
X — это сколько % от Y?
Результат = (X / Y) × 100
45 / 180 × 100 = 25%
3
% изменения
Результат = ((Y - X) / |X|) × 100
(100-80)/80 × 100 = 25%
Tips for Accurate Calculations
- ✓ Always double-check which value is the 'part' and which is the 'whole'.
- ✓ For percentage change, the original value is always the denominator.
- ✓ Negative percentage change indicates a decrease.
- ✓ You can use decimals in all input fields for precise calculations.