-23.83% is the change from 256 to 195
Calculation steps:
[( 195 - 256 ) ÷ 256] x 100 = -23.83%
Formula
Percentage change = [(195 - 256) / 256] x 100
Subtract the new number by the original number
195 - 256 = -61
-61 ÷ 256 = -0.23828125
-0.23828125 x 100 = -23.83%