11.3% is the change from 230 to 256
Calculation steps:
[( 256 - 230 ) ÷ 230] x 100 = 11.3%
Formula
Percentage change = [(256 - 230) / 230] x 100
Subtract the new number by the original number
256 - 230 = 26
26 ÷ 230 = 0.11304347826086956
0.11304347826086956 x 100 = 11.3%