-9.77% is the change from 942 to 850
Calculation steps:
[( 850 - 942 ) ÷ 942] x 100 = -9.77%
Formula
Percentage change = [(850 - 942) / 942] x 100
Subtract the new number by the original number
850 - 942 = -92
-92 ÷ 942 = -0.09766454352441614
-0.09766454352441614 x 100 = -9.77%