-2.03% is the change from 986 to 966
Calculation steps:
[( 966 - 986 ) ÷ 986] x 100 = -2.03%
Formula
Percentage change = [(966 - 986) / 986] x 100
Subtract the new number by the original number
966 - 986 = -20
-20 ÷ 986 = -0.02028397565922921
-0.02028397565922921 x 100 = -2.03%