20.56% is the change from 355 to 428
Calculation steps:
[( 428 - 355 ) ÷ 355] x 100 = 20.56%
Formula
Percentage change = [(428 - 355) / 355] x 100
Subtract the new number by the original number
428 - 355 = 73
73 ÷ 355 = 0.2056338028169014
0.2056338028169014 x 100 = 20.56%