-98.1% is the change from 842 to 16
Calculation steps:
[( 16 - 842 ) ÷ 842] x 100 = -98.1%
Formula
Percentage change = [(16 - 842) / 842] x 100
Subtract the new number by the original number
16 - 842 = -826
-826 ÷ 842 = -0.9809976247030879
-0.9809976247030879 x 100 = -98.1%