16.02% is the change from 256 to 297
Calculation steps:
[( 297 - 256 ) ÷ 256] x 100 = 16.02%
Formula
Percentage change = [(297 - 256) / 256] x 100
Subtract the new number by the original number
297 - 256 = 41
41 ÷ 256 = 0.16015625
0.16015625 x 100 = 16.02%