-98.16% is the change from 871 to 16
Calculation steps:
[( 16 - 871 ) ÷ 871] x 100 = -98.16%
Formula
Percentage change = [(16 - 871) / 871] x 100
Subtract the new number by the original number
16 - 871 = -855
-855 ÷ 871 = -0.981630309988519
-0.981630309988519 x 100 = -98.16%