2.73% is the change from 256 to 263
Calculation steps:
[( 263 - 256 ) ÷ 256] x 100 = 2.73%
Formula
Percentage change = [(263 - 256) / 256] x 100
Subtract the new number by the original number
263 - 256 = 7
7 ÷ 256 = 0.02734375
0.02734375 x 100 = 2.73%