6146.15% is the change from 13 to 812
Calculation steps:
[( 812 - 13 ) ÷ 13] x 100 = 6146.15%
Formula
Percentage change = [(812 - 13) / 13] x 100
Subtract the new number by the original number
812 - 13 = 799
799 ÷ 13 = 61.46153846153846
61.46153846153846 x 100 = 6146.15%