-88.55% is the change from 428 to 49
Calculation steps:
[( 49 - 428 ) ÷ 428] x 100 = -88.55%
Formula
Percentage change = [(49 - 428) / 428] x 100
Subtract the new number by the original number
49 - 428 = -379
-379 ÷ 428 = -0.8855140186915887
-0.8855140186915887 x 100 = -88.55%