5.47% is the change from 256 to 270
Calculation steps:
[( 270 - 256 ) ÷ 256] x 100 = 5.47%
Formula
Percentage change = [(270 - 256) / 256] x 100
Subtract the new number by the original number
270 - 256 = 14
14 ÷ 256 = 0.0546875
0.0546875 x 100 = 5.47%