-5.56% is the change from 702 to 663
Calculation steps:
[( 663 - 702 ) ÷ 702] x 100 = -5.56%
Formula
Percentage change = [(663 - 702) / 702] x 100
Subtract the new number by the original number
663 - 702 = -39
-39 ÷ 702 = -0.05555555555555555
-0.05555555555555555 x 100 = -5.56%