54.3% is the change from 256 to 395
Calculation steps:
[( 395 - 256 ) ÷ 256] x 100 = 54.3%
Formula
Percentage change = [(395 - 256) / 256] x 100
Subtract the new number by the original number
395 - 256 = 139
139 ÷ 256 = 0.54296875
0.54296875 x 100 = 54.3%