-16.73% is the change from 986 to 821
Calculation steps:
[( 821 - 986 ) ÷ 986] x 100 = -16.73%
Formula
Percentage change = [(821 - 986) / 986] x 100
Subtract the new number by the original number
821 - 986 = -165
-165 ÷ 986 = -0.16734279918864098
-0.16734279918864098 x 100 = -16.73%