3160% is the change from 15 to 489
Calculation steps:
[( 489 - 15 ) ÷ 15] x 100 = 3160%
Formula
Percentage change = [(489 - 15) / 15] x 100
Subtract the new number by the original number
489 - 15 = 474
474 ÷ 15 = 31.6
31.6 x 100 = 3160%
Example