2900% is the change from 17 to 510
Calculation steps:
[( 510 - 17 ) ÷ 17] x 100 = 2900%
Formula
Percentage change = [(510 - 17) / 17] x 100
Subtract the new number by the original number
510 - 17 = 493
493 ÷ 17 = 29
29 x 100 = 2900%
Example