5273.33% is the change from 15 to 806
Calculation steps:
[( 806 - 15 ) ÷ 15] x 100 = 5273.33%
Formula
Percentage change = [(806 - 15) / 15] x 100
Subtract the new number by the original number
806 - 15 = 791
791 ÷ 15 = 52.733333333333334
52.733333333333334 x 100 = 5273.33%