-28.91% is the change from 256 to 182
Calculation steps:
[( 182 - 256 ) ÷ 256] x 100 = -28.91%
Formula
Percentage change = [(182 - 256) / 256] x 100
Subtract the new number by the original number
182 - 256 = -74
-74 ÷ 256 = -0.2890625
-0.2890625 x 100 = -28.91%