33.03% is the change from 439 to 584
Calculation steps:
[( 584 - 439 ) ÷ 439] x 100 = 33.03%
Formula
Percentage change = [(584 - 439) / 439] x 100
Subtract the new number by the original number
584 - 439 = 145
145 ÷ 439 = 0.33029612756264237
0.33029612756264237 x 100 = 33.03%