56.39% is the change from 227 to 355
Calculation steps:
[( 355 - 227 ) ÷ 227] x 100 = 56.39%
Formula
Percentage change = [(355 - 227) / 227] x 100
Subtract the new number by the original number
355 - 227 = 128
128 ÷ 227 = 0.5638766519823789
0.5638766519823789 x 100 = 56.39%