53.25% is the change from 231 to 354
Calculation steps:
[( 354 - 231 ) ÷ 231] x 100 = 53.25%
Formula
Percentage change = [(354 - 231) / 231] x 100
Subtract the new number by the original number
354 - 231 = 123
123 ÷ 231 = 0.5324675324675324
0.5324675324675324 x 100 = 53.25%