-89.21% is the change from 723 to 78
Calculation steps:
[( 78 - 723 ) ÷ 723] x 100 = -89.21%
Formula
Percentage change = [(78 - 723) / 723] x 100
Subtract the new number by the original number
78 - 723 = -645
-645 ÷ 723 = -0.8921161825726142
-0.8921161825726142 x 100 = -89.21%