-98.13% is the change from 857 to 16
Calculation steps:
[( 16 - 857 ) ÷ 857] x 100 = -98.13%
Formula
Percentage change = [(16 - 857) / 857] x 100
Subtract the new number by the original number
16 - 857 = -841
-841 ÷ 857 = -0.9813302217036173
-0.9813302217036173 x 100 = -98.13%