3093.33% is the change from 15 to 479
Calculation steps:
[( 479 - 15 ) ÷ 15] x 100 = 3093.33%
Formula
Percentage change = [(479 - 15) / 15] x 100
Subtract the new number by the original number
479 - 15 = 464
464 ÷ 15 = 30.933333333333334
30.933333333333334 x 100 = 3093.33%