-45.27% is the change from 729 to 399
Calculation steps:
[( 399 - 729 ) ÷ 729] x 100 = -45.27%
Formula
Percentage change = [(399 - 729) / 729] x 100
Subtract the new number by the original number
399 - 729 = -330
-330 ÷ 729 = -0.45267489711934156
-0.45267489711934156 x 100 = -45.27%