5353.33% is the change from 15 to 818
Calculation steps:
[( 818 - 15 ) ÷ 15] x 100 = 5353.33%
Formula
Percentage change = [(818 - 15) / 15] x 100
Subtract the new number by the original number
818 - 15 = 803
803 ÷ 15 = 53.53333333333333
53.53333333333333 x 100 = 5353.33%