114.18% is the change from 388 to 831
Calculation steps:
[( 831 - 388 ) ÷ 388] x 100 = 114.18%
Formula
Percentage change = [(831 - 388) / 388] x 100
Subtract the new number by the original number
831 - 388 = 443
443 ÷ 388 = 1.1417525773195876
1.1417525773195876 x 100 = 114.18%