-99.1% is the change from 886 to 8
Calculation steps:
[( 8 - 886 ) ÷ 886] x 100 = -99.1%
Formula
Percentage change = [(8 - 886) / 886] x 100
Subtract the new number by the original number
8 - 886 = -878
-878 ÷ 886 = -0.9909706546275395
-0.9909706546275395 x 100 = -99.1%