-99.57% is the change from 936 to 4
Calculation steps:
[( 4 - 936 ) ÷ 936] x 100 = -99.57%
Formula
Percentage change = [(4 - 936) / 936] x 100
Subtract the new number by the original number
4 - 936 = -932
-932 ÷ 936 = -0.9957264957264957
-0.9957264957264957 x 100 = -99.57%