6176.92% is the change from 13 to 816
Calculation steps:
[( 816 - 13 ) ÷ 13] x 100 = 6176.92%
Formula
Percentage change = [(816 - 13) / 13] x 100
Subtract the new number by the original number
816 - 13 = 803
803 ÷ 13 = 61.76923076923077
61.76923076923077 x 100 = 6176.92%