103.68% is the change from 408 to 831
Calculation steps:
[( 831 - 408 ) ÷ 408] x 100 = 103.68%
Formula
Percentage change = [(831 - 408) / 408] x 100
Subtract the new number by the original number
831 - 408 = 423
423 ÷ 408 = 1.036764705882353
1.036764705882353 x 100 = 103.68%