71.55% is the change from 355 to 609
Calculation steps:
[( 609 - 355 ) ÷ 355] x 100 = 71.55%
Formula
Percentage change = [(609 - 355) / 355] x 100
Subtract the new number by the original number
609 - 355 = 254
254 ÷ 355 = 0.7154929577464789
0.7154929577464789 x 100 = 71.55%