42.19% is the change from 256 to 364
Calculation steps:
[( 364 - 256 ) ÷ 256] x 100 = 42.19%
Formula
Percentage change = [(364 - 256) / 256] x 100
Subtract the new number by the original number
364 - 256 = 108
108 ÷ 256 = 0.421875
0.421875 x 100 = 42.19%