-81.95% is the change from 942 to 170
Calculation steps:
[( 170 - 942 ) ÷ 942] x 100 = -81.95%
Formula
Percentage change = [(170 - 942) / 942] x 100
Subtract the new number by the original number
170 - 942 = -772
-772 ÷ 942 = -0.8195329087048833
-0.8195329087048833 x 100 = -81.95%