-99.05% is the change from 846 to 8
Calculation steps:
[( 8 - 846 ) ÷ 846] x 100 = -99.05%
Formula
Percentage change = [(8 - 846) / 846] x 100
Subtract the new number by the original number
8 - 846 = -838
-838 ÷ 846 = -0.9905437352245863
-0.9905437352245863 x 100 = -99.05%