5346.67% is the change from 15 to 817
Calculation steps:
[( 817 - 15 ) ÷ 15] x 100 = 5346.67%
Formula
Percentage change = [(817 - 15) / 15] x 100
Subtract the new number by the original number
817 - 15 = 802
802 ÷ 15 = 53.46666666666667
53.46666666666667 x 100 = 5346.67%