7.03% is the change from 256 to 274
Calculation steps:
[( 274 - 256 ) ÷ 256] x 100 = 7.03%
Formula
Percentage change = [(274 - 256) / 256] x 100
Subtract the new number by the original number
274 - 256 = 18
18 ÷ 256 = 0.0703125
0.0703125 x 100 = 7.03%