-24.89% is the change from 663 to 498
Calculation steps:
[( 498 - 663 ) ÷ 663] x 100 = -24.89%
Formula
Percentage change = [(498 - 663) / 663] x 100
Subtract the new number by the original number
498 - 663 = -165
-165 ÷ 663 = -0.248868778280543
-0.248868778280543 x 100 = -24.89%