42.97% is the change from 256 to 366
Calculation steps:
[( 366 - 256 ) ÷ 256] x 100 = 42.97%
Formula
Percentage change = [(366 - 256) / 256] x 100
Subtract the new number by the original number
366 - 256 = 110
110 ÷ 256 = 0.4296875
0.4296875 x 100 = 42.97%