38.95% is the change from 439 to 610
Calculation steps:
[( 610 - 439 ) ÷ 439] x 100 = 38.95%
Formula
Percentage change = [(610 - 439) / 439] x 100
Subtract the new number by the original number
610 - 439 = 171
171 ÷ 439 = 0.3895216400911162
0.3895216400911162 x 100 = 38.95%