6292.31% is the change from 13 to 831
Calculation steps:
[( 831 - 13 ) ÷ 13] x 100 = 6292.31%
Formula
Percentage change = [(831 - 13) / 13] x 100
Subtract the new number by the original number
831 - 13 = 818
818 ÷ 13 = 62.92307692307692
62.92307692307692 x 100 = 6292.31%