113.62% is the change from 389 to 831
Calculation steps:
[( 831 - 389 ) ÷ 389] x 100 = 113.62%
Formula
Percentage change = [(831 - 389) / 389] x 100
Subtract the new number by the original number
831 - 389 = 442
442 ÷ 389 = 1.1362467866323906
1.1362467866323906 x 100 = 113.62%