-35% is the change from 280 to 182
Calculation steps:
[( 182 - 280 ) ÷ 280] x 100 = -35%
Formula
Percentage change = [(182 - 280) / 280] x 100
Subtract the new number by the original number
182 - 280 = -98
-98 ÷ 280 = -0.35
-0.35 x 100 = -35%
Example