-11.92% is the change from 730 to 643
Calculation steps:
[( 643 - 730 ) ÷ 730] x 100 = -11.92%
Formula
Percentage change = [(643 - 730) / 730] x 100
Subtract the new number by the original number
643 - 730 = -87
-87 ÷ 730 = -0.11917808219178082
-0.11917808219178082 x 100 = -11.92%