-8.64% is the change from 937 to 856
Calculation steps:
[( 856 - 937 ) ÷ 937] x 100 = -8.64%
Formula
Percentage change = [(856 - 937) / 937] x 100
Subtract the new number by the original number
856 - 937 = -81
-81 ÷ 937 = -0.0864461045891142
-0.0864461045891142 x 100 = -8.64%