-99.59% is the change from 723 to 3
Calculation steps:
[( 3 - 723 ) ÷ 723] x 100 = -99.59%
Formula
Percentage change = [(3 - 723) / 723] x 100
Subtract the new number by the original number
3 - 723 = -720
-720 ÷ 723 = -0.995850622406639
-0.995850622406639 x 100 = -99.59%