-6.49% is the change from 709 to 663
Calculation steps:
[( 663 - 709 ) ÷ 709] x 100 = -6.49%
Formula
Percentage change = [(663 - 709) / 709] x 100
Subtract the new number by the original number
663 - 709 = -46
-46 ÷ 709 = -0.06488011283497884
-0.06488011283497884 x 100 = -6.49%