3073.33% is the change from 15 to 476
Calculation steps:
[( 476 - 15 ) ÷ 15] x 100 = 3073.33%
Formula
Percentage change = [(476 - 15) / 15] x 100
Subtract the new number by the original number
476 - 15 = 461
461 ÷ 15 = 30.733333333333334
30.733333333333334 x 100 = 3073.33%