-8.84% is the change from 724 to 660
Calculation steps:
[( 660 - 724 ) ÷ 724] x 100 = -8.84%
Formula
Percentage change = [(660 - 724) / 724] x 100
Subtract the new number by the original number
660 - 724 = -64
-64 ÷ 724 = -0.08839779005524862
-0.08839779005524862 x 100 = -8.84%