-10.64% is the change from 724 to 647
Calculation steps:
[( 647 - 724 ) ÷ 724] x 100 = -10.64%
Formula
Percentage change = [(647 - 724) / 724] x 100
Subtract the new number by the original number
647 - 724 = -77
-77 ÷ 724 = -0.106353591160221
-0.106353591160221 x 100 = -10.64%