-0.81% is the change from 986 to 978
Calculation steps:
[( 978 - 986 ) ÷ 986] x 100 = -0.81%
Formula
Percentage change = [(978 - 986) / 986] x 100
Subtract the new number by the original number
978 - 986 = -8
-8 ÷ 986 = -0.008113590263691683
-0.008113590263691683 x 100 = -0.81%