-41.41% is the change from 256 to 150
Calculation steps:
[( 150 - 256 ) ÷ 256] x 100 = -41.41%
Formula
Percentage change = [(150 - 256) / 256] x 100
Subtract the new number by the original number
150 - 256 = -106
-106 ÷ 256 = -0.4140625
-0.4140625 x 100 = -41.41%