-56.88% is the change from 719 to 310
Calculation steps:
[( 310 - 719 ) ÷ 719] x 100 = -56.88%
Formula
Percentage change = [(310 - 719) / 719] x 100
Subtract the new number by the original number
310 - 719 = -409
-409 ÷ 719 = -0.56884561891516
-0.56884561891516 x 100 = -56.88%