31.42% is the change from 226 to 297
Calculation steps:
[( 297 - 226 ) ÷ 226] x 100 = 31.42%
Formula
Percentage change = [(297 - 226) / 226] x 100
Subtract the new number by the original number
297 - 226 = 71
71 ÷ 226 = 0.3141592920353982
0.3141592920353982 x 100 = 31.42%