-10.57% is the change from 719 to 643
Calculation steps:
[( 643 - 719 ) ÷ 719] x 100 = -10.57%
Formula
Percentage change = [(643 - 719) / 719] x 100
Subtract the new number by the original number
643 - 719 = -76
-76 ÷ 719 = -0.10570236439499305
-0.10570236439499305 x 100 = -10.57%