82.73% is the change from 388 to 709
Calculation steps:
[( 709 - 388 ) ÷ 388] x 100 = 82.73%
Formula
Percentage change = [(709 - 388) / 388] x 100
Subtract the new number by the original number
709 - 388 = 321
321 ÷ 388 = 0.8273195876288659
0.8273195876288659 x 100 = 82.73%