-0.2% is the change from 989 to 987
Calculation steps:
[( 987 - 989 ) ÷ 989] x 100 = -0.2%
Formula
Percentage change = [(987 - 989) / 989] x 100
Subtract the new number by the original number
987 - 989 = -2
-2 ÷ 989 = -0.0020222446916076846
-0.0020222446916076846 x 100 = -0.2%