80.56% is the change from 355 to 641
Calculation steps:
[( 641 - 355 ) ÷ 355] x 100 = 80.56%
Formula
Percentage change = [(641 - 355) / 355] x 100
Subtract the new number by the original number
641 - 355 = 286
286 ÷ 355 = 0.8056338028169014
0.8056338028169014 x 100 = 80.56%