-13.1% is the change from 985 to 856
Calculation steps:
[( 856 - 985 ) ÷ 985] x 100 = -13.1%
Formula
Percentage change = [(856 - 985) / 985] x 100
Subtract the new number by the original number
856 - 985 = -129
-129 ÷ 985 = -0.13096446700507614
-0.13096446700507614 x 100 = -13.1%