-10.43% is the change from 719 to 644
Calculation steps:
[( 644 - 719 ) ÷ 719] x 100 = -10.43%
Formula
Percentage change = [(644 - 719) / 719] x 100
Subtract the new number by the original number
644 - 719 = -75
-75 ÷ 719 = -0.1043115438108484
-0.1043115438108484 x 100 = -10.43%