Percent Of · Proportion · Increase / Decrease · Discounts
Percentage Calculator
Quickly compute everyday financial and mathematical percentage formulas with real-time interactive calculations.
What is P% of X?
What is% of?
Result: 12
X is what % of Y?
is what % of?
Result: 12.5%
Percentage Change (Increase / Decrease)
Fromto
+25%
(Increase of 25)
Discount & Sale Price
Price: $with% off
Final Price: $96
(You save $24)
Common Percentage Formulas
Basic Percentage Formula
To calculate P% of X, multiply X by the percentage fraction:
Result = (P / 100) × X
Percentage Increase / Decrease
To compute the relative percentage change between an initial value A and final value B:
Change % = ((B - A) / A) × 100