Work out how much a value dropped in percent terms, with the absolute reduction shown alongside.
decrease % = ((original − new) ÷ original) × 100
A bill falls from $120 to $90. The drop is $30, and 30 ÷ 120 × 100 = 25%.
Decrease divides the difference by the original (larger) value, so the same absolute change produces a smaller percentage than the reverse journey would.
Typical uses include sale prices versus list price, month-over-month traffic declines, fuel consumption improvements and weight-loss tracking.
It means the value actually went up. Switch to the percentage increase calculator for a positive framing.
Conceptually yes for prices: a 25% discount means the final price is 75% of the original.
Full expression calculator with parentheses, powers, roots, trigonometry, logarithms and constants π and e.
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Find the percentage increase between an original value and a new value, including the absolute change.
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