5313.33% is the change from 15 to 812
Calculation steps:
[( 812 - 15 ) ÷ 15] x 100 = 5313.33%
Formula
Percentage change = [(812 - 15) / 15] x 100
Subtract the new number by the original number
812 - 15 = 797
797 ÷ 15 = 53.13333333333333
53.13333333333333 x 100 = 5313.33%