-16.39% is the change from 793 to 663
Calculation steps:
[( 663 - 793 ) ÷ 793] x 100 = -16.39%
Formula
Percentage change = [(663 - 793) / 793] x 100
Subtract the new number by the original number
663 - 793 = -130
-130 ÷ 793 = -0.16393442622950818
-0.16393442622950818 x 100 = -16.39%