-11.51% is the change from 730 to 646
Calculation steps:
[( 646 - 730 ) ÷ 730] x 100 = -11.51%
Formula
Percentage change = [(646 - 730) / 730] x 100
Subtract the new number by the original number
646 - 730 = -84
-84 ÷ 730 = -0.11506849315068493
-0.11506849315068493 x 100 = -11.51%