-2.79% is the change from 682 to 663
Calculation steps:
[( 663 - 682 ) ÷ 682] x 100 = -2.79%
Formula
Percentage change = [(663 - 682) / 682] x 100
Subtract the new number by the original number
663 - 682 = -19
-19 ÷ 682 = -0.02785923753665689
-0.02785923753665689 x 100 = -2.79%