2788.24% is the change from 17 to 491
Calculation steps:
[( 491 - 17 ) ÷ 17] x 100 = 2788.24%
Formula
Percentage change = [(491 - 17) / 17] x 100
Subtract the new number by the original number
491 - 17 = 474
474 ÷ 17 = 27.88235294117647
27.88235294117647 x 100 = 2788.24%