5493.33% is the change from 15 to 839
Calculation steps:
[( 839 - 15 ) ÷ 15] x 100 = 5493.33%
Formula
Percentage change = [(839 - 15) / 15] x 100
Subtract the new number by the original number
839 - 15 = 824
824 ÷ 15 = 54.93333333333333
54.93333333333333 x 100 = 5493.33%