22.66% is the change from 256 to 314
Calculation steps:
[( 314 - 256 ) ÷ 256] x 100 = 22.66%
Formula
Percentage change = [(314 - 256) / 256] x 100
Subtract the new number by the original number
314 - 256 = 58
58 ÷ 256 = 0.2265625
0.2265625 x 100 = 22.66%