-86.09% is the change from 942 to 131
Calculation steps:
[( 131 - 942 ) ÷ 942] x 100 = -86.09%
Formula
Percentage change = [(131 - 942) / 942] x 100
Subtract the new number by the original number
131 - 942 = -811
-811 ÷ 942 = -0.8609341825902336
-0.8609341825902336 x 100 = -86.09%