-99.58% is the change from 942 to 4
Calculation steps:
[( 4 - 942 ) ÷ 942] x 100 = -99.58%
Formula
Percentage change = [(4 - 942) / 942] x 100
Subtract the new number by the original number
4 - 942 = -938
-938 ÷ 942 = -0.9957537154989384
-0.9957537154989384 x 100 = -99.58%