57.18% is the change from 439 to 690
Calculation steps:
[( 690 - 439 ) ÷ 439] x 100 = 57.18%
Formula
Percentage change = [(690 - 439) / 439] x 100
Subtract the new number by the original number
690 - 439 = 251
251 ÷ 439 = 0.571753986332574
0.571753986332574 x 100 = 57.18%