6086.67% is the change from 15 to 928
Calculation steps:
[( 928 - 15 ) ÷ 15] x 100 = 6086.67%
Formula
Percentage change = [(928 - 15) / 15] x 100
Subtract the new number by the original number
928 - 15 = 913
913 ÷ 15 = 60.86666666666667
60.86666666666667 x 100 = 6086.67%