-13.6% is the change from 985 to 851
Calculation steps:
[( 851 - 985 ) ÷ 985] x 100 = -13.6%
Formula
Percentage change = [(851 - 985) / 985] x 100
Subtract the new number by the original number
851 - 985 = -134
-134 ÷ 985 = -0.13604060913705585
-0.13604060913705585 x 100 = -13.6%