-99.3% is the change from 428 to 3
Calculation steps:
[( 3 - 428 ) ÷ 428] x 100 = -99.3%
Formula
Percentage change = [(3 - 428) / 428] x 100
Subtract the new number by the original number
3 - 428 = -425
-425 ÷ 428 = -0.9929906542056075
-0.9929906542056075 x 100 = -99.3%