Percentage and discount calculator

See percentage values, changes, percentage points and sequential discounts with their labels kept separate.

Base amountComparison amountPercentageFirst discount (%)Second discount (%)

15% of 200 = 30
Change from 200 to 100 = -50%
15% of 200 = 230 increase / 170 decrease
Sequential discounts: 200 → 128
Percentage-point change from 20% to 20% = 0 points; relative change = 0%

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