-80.05% is the change from 842 to 168
Calculation steps:
[( 168 - 842 ) ÷ 842] x 100 = -80.05%
Formula
Percentage change = [(168 - 842) / 842] x 100
Subtract the new number by the original number
168 - 842 = -674
-674 ÷ 842 = -0.8004750593824228
-0.8004750593824228 x 100 = -80.05%