-99.19% is the change from 986 to 8
Calculation steps:
[( 8 - 986 ) ÷ 986] x 100 = -99.19%
Formula
Percentage change = [(8 - 986) / 986] x 100
Subtract the new number by the original number
8 - 986 = -978
-978 ÷ 986 = -0.9918864097363083
-0.9918864097363083 x 100 = -99.19%