53.3% is the change from 439 to 673
Calculation steps:
[( 673 - 439 ) ÷ 439] x 100 = 53.3%
Formula
Percentage change = [(673 - 439) / 439] x 100
Subtract the new number by the original number
673 - 439 = 234
234 ÷ 439 = 0.5330296127562643
0.5330296127562643 x 100 = 53.3%