104.18% is the change from 407 to 831
Calculation steps:
[( 831 - 407 ) ÷ 407] x 100 = 104.18%
Formula
Percentage change = [(831 - 407) / 407] x 100
Subtract the new number by the original number
831 - 407 = 424
424 ÷ 407 = 1.0417690417690417
1.0417690417690417 x 100 = 104.18%