20% is the change from 355 to 426
Calculation steps:
[( 426 - 355 ) ÷ 355] x 100 = 20%
Formula
Percentage change = [(426 - 355) / 355] x 100
Subtract the new number by the original number
426 - 355 = 71
71 ÷ 355 = 0.2
0.2 x 100 = 20%
Example