-80.26% is the change from 851 to 168
Calculation steps:
[( 168 - 851 ) ÷ 851] x 100 = -80.26%
Formula
Percentage change = [(168 - 851) / 851] x 100
Subtract the new number by the original number
168 - 851 = -683
-683 ÷ 851 = -0.8025851938895417
-0.8025851938895417 x 100 = -80.26%