5220% is the change from 15 to 798
Calculation steps:
[( 798 - 15 ) ÷ 15] x 100 = 5220%
Formula
Percentage change = [(798 - 15) / 15] x 100
Subtract the new number by the original number
798 - 15 = 783
783 ÷ 15 = 52.2
52.2 x 100 = 5220%
Example