21.25% is the change from 353 to 428
Calculation steps:
[( 428 - 353 ) ÷ 353] x 100 = 21.25%
Formula
Percentage change = [(428 - 353) / 353] x 100
Subtract the new number by the original number
428 - 353 = 75
75 ÷ 353 = 0.21246458923512748
0.21246458923512748 x 100 = 21.25%