52.39% is the change from 439 to 669
Calculation steps:
[( 669 - 439 ) ÷ 439] x 100 = 52.39%
Formula
Percentage change = [(669 - 439) / 439] x 100
Subtract the new number by the original number
669 - 439 = 230
230 ÷ 439 = 0.5239179954441914
0.5239179954441914 x 100 = 52.39%