439.19% is the change from 74 to 399
Calculation steps:
[( 399 - 74 ) ÷ 74] x 100 = 439.19%
Formula
Percentage change = [(399 - 74) / 74] x 100
Subtract the new number by the original number
399 - 74 = 325
325 ÷ 74 = 4.391891891891892
4.391891891891892 x 100 = 439.19%