-8.31% is the change from 927 to 850
Calculation steps:
[( 850 - 927 ) ÷ 927] x 100 = -8.31%
Formula
Percentage change = [(850 - 927) / 927] x 100
Subtract the new number by the original number
850 - 927 = -77
-77 ÷ 927 = -0.08306364617044229
-0.08306364617044229 x 100 = -8.31%