-0.81% is the change from 985 to 977
Calculation steps:
[( 977 - 985 ) ÷ 985] x 100 = -0.81%
Formula
Percentage change = [(977 - 985) / 985] x 100
Subtract the new number by the original number
977 - 985 = -8
-8 ÷ 985 = -0.008121827411167513
-0.008121827411167513 x 100 = -0.81%