-99.08% is the change from 868 to 8
Calculation steps:
[( 8 - 868 ) ÷ 868] x 100 = -99.08%
Formula
Percentage change = [(8 - 868) / 868] x 100
Subtract the new number by the original number
8 - 868 = -860
-860 ÷ 868 = -0.9907834101382489
-0.9907834101382489 x 100 = -99.08%