-79.93% is the change from 842 to 169
Calculation steps:
[( 169 - 842 ) ÷ 842] x 100 = -79.93%
Formula
Percentage change = [(169 - 842) / 842] x 100
Subtract the new number by the original number
169 - 842 = -673
-673 ÷ 842 = -0.7992874109263658
-0.7992874109263658 x 100 = -79.93%