-10.32% is the change from 717 to 643
Calculation steps:
[( 643 - 717 ) ÷ 717] x 100 = -10.32%
Formula
Percentage change = [(643 - 717) / 717] x 100
Subtract the new number by the original number
643 - 717 = -74
-74 ÷ 717 = -0.10320781032078104
-0.10320781032078104 x 100 = -10.32%