-99.15% is the change from 936 to 8
Calculation steps:
[( 8 - 936 ) ÷ 936] x 100 = -99.15%
Formula
Percentage change = [(8 - 936) / 936] x 100
Subtract the new number by the original number
8 - 936 = -928
-928 ÷ 936 = -0.9914529914529915
-0.9914529914529915 x 100 = -99.15%