15.23% is the change from 256 to 295
Calculation steps:
[( 295 - 256 ) ÷ 256] x 100 = 15.23%
Formula
Percentage change = [(295 - 256) / 256] x 100
Subtract the new number by the original number
295 - 256 = 39
39 ÷ 256 = 0.15234375
0.15234375 x 100 = 15.23%