-26.09% is the change from 663 to 490
Calculation steps:
[( 490 - 663 ) ÷ 663] x 100 = -26.09%
Formula
Percentage change = [(490 - 663) / 663] x 100
Subtract the new number by the original number
490 - 663 = -173
-173 ÷ 663 = -0.2609351432880845
-0.2609351432880845 x 100 = -26.09%