-25.19% is the change from 663 to 496
Calculation steps:
[( 496 - 663 ) ÷ 663] x 100 = -25.19%
Formula
Percentage change = [(496 - 663) / 663] x 100
Subtract the new number by the original number
496 - 663 = -167
-167 ÷ 663 = -0.25188536953242835
-0.25188536953242835 x 100 = -25.19%