-57.02% is the change from 719 to 309
Calculation steps:
[( 309 - 719 ) ÷ 719] x 100 = -57.02%
Formula
Percentage change = [(309 - 719) / 719] x 100
Subtract the new number by the original number
309 - 719 = -410
-410 ÷ 719 = -0.5702364394993046
-0.5702364394993046 x 100 = -57.02%