101.57% is the change from 127 to 256
Calculation steps:
[( 256 - 127 ) ÷ 127] x 100 = 101.57%
Formula
Percentage change = [(256 - 127) / 127] x 100
Subtract the new number by the original number
256 - 127 = 129
129 ÷ 127 = 1.015748031496063
1.015748031496063 x 100 = 101.57%