3.5% is the change from 428 to 443
Calculation steps:
[( 443 - 428 ) ÷ 428] x 100 = 3.5%
Formula
Percentage change = [(443 - 428) / 428] x 100
Subtract the new number by the original number
443 - 428 = 15
15 ÷ 428 = 0.035046728971962614
0.035046728971962614 x 100 = 3.5%