-13.03% is the change from 990 to 861
Calculation steps:
[( 861 - 990 ) ÷ 990] x 100 = -13.03%
Formula
Percentage change = [(861 - 990) / 990] x 100
Subtract the new number by the original number
861 - 990 = -129
-129 ÷ 990 = -0.1303030303030303
-0.1303030303030303 x 100 = -13.03%