88.84% is the change from 439 to 829
Calculation steps:
[( 829 - 439 ) ÷ 439] x 100 = 88.84%
Formula
Percentage change = [(829 - 439) / 439] x 100
Subtract the new number by the original number
829 - 439 = 390
390 ÷ 439 = 0.8883826879271071
0.8883826879271071 x 100 = 88.84%