21.13% is the change from 355 to 430
Calculation steps:
[( 430 - 355 ) ÷ 355] x 100 = 21.13%
Formula
Percentage change = [(430 - 355) / 355] x 100
Subtract the new number by the original number
430 - 355 = 75
75 ÷ 355 = 0.2112676056338028
0.2112676056338028 x 100 = 21.13%