-12.99% is the change from 985 to 857
Calculation steps:
[( 857 - 985 ) ÷ 985] x 100 = -12.99%
Formula
Percentage change = [(857 - 985) / 985] x 100
Subtract the new number by the original number
857 - 985 = -128
-128 ÷ 985 = -0.1299492385786802
-0.1299492385786802 x 100 = -12.99%