-4.67% is the change from 428 to 408
Calculation steps:
[( 408 - 428 ) ÷ 428] x 100 = -4.67%
Formula
Percentage change = [(408 - 428) / 428] x 100
Subtract the new number by the original number
408 - 428 = -20
-20 ÷ 428 = -0.04672897196261682
-0.04672897196261682 x 100 = -4.67%