-27.73% is the change from 256 to 185
Calculation steps:
[( 185 - 256 ) ÷ 256] x 100 = -27.73%
Formula
Percentage change = [(185 - 256) / 256] x 100
Subtract the new number by the original number
185 - 256 = -71
-71 ÷ 256 = -0.27734375
-0.27734375 x 100 = -27.73%