-24.59% is the change from 663 to 500
Calculation steps:
[( 500 - 663 ) ÷ 663] x 100 = -24.59%
Formula
Percentage change = [(500 - 663) / 663] x 100
Subtract the new number by the original number
500 - 663 = -163
-163 ÷ 663 = -0.2458521870286576
-0.2458521870286576 x 100 = -24.59%