-0.3% is the change from 989 to 986
Calculation steps:
[( 986 - 989 ) ÷ 989] x 100 = -0.3%
Formula
Percentage change = [(986 - 989) / 989] x 100
Subtract the new number by the original number
986 - 989 = -3
-3 ÷ 989 = -0.003033367037411527
-0.003033367037411527 x 100 = -0.3%