80.74% is the change from 353 to 638
Calculation steps:
[( 638 - 353 ) ÷ 353] x 100 = 80.74%
Formula
Percentage change = [(638 - 353) / 353] x 100
Subtract the new number by the original number
638 - 353 = 285
285 ÷ 353 = 0.8073654390934845
0.8073654390934845 x 100 = 80.74%