-45.93% is the change from 738 to 399
Calculation steps:
[( 399 - 738 ) ÷ 738] x 100 = -45.93%
Formula
Percentage change = [(399 - 738) / 738] x 100
Subtract the new number by the original number
399 - 738 = -339
-339 ÷ 738 = -0.45934959349593496
-0.45934959349593496 x 100 = -45.93%