-82.7% is the change from 942 to 163
Calculation steps:
[( 163 - 942 ) ÷ 942] x 100 = -82.7%
Formula
Percentage change = [(163 - 942) / 942] x 100
Subtract the new number by the original number
163 - 942 = -779
-779 ÷ 942 = -0.826963906581741
-0.826963906581741 x 100 = -82.7%