-17.95% is the change from 663 to 544
Calculation steps:
[( 544 - 663 ) ÷ 663] x 100 = -17.95%
Formula
Percentage change = [(544 - 663) / 663] x 100
Subtract the new number by the original number
544 - 663 = -119
-119 ÷ 663 = -0.1794871794871795
-0.1794871794871795 x 100 = -17.95%