13.72% is the change from 226 to 257
Calculation steps:
[( 257 - 226 ) ÷ 226] x 100 = 13.72%
Formula
Percentage change = [(257 - 226) / 226] x 100
Subtract the new number by the original number
257 - 226 = 31
31 ÷ 226 = 0.13716814159292035
0.13716814159292035 x 100 = 13.72%