6269.23% is the change from 13 to 828
Calculation steps:
[( 828 - 13 ) ÷ 13] x 100 = 6269.23%
Formula
Percentage change = [(828 - 13) / 13] x 100
Subtract the new number by the original number
828 - 13 = 815
815 ÷ 13 = 62.69230769230769
62.69230769230769 x 100 = 6269.23%