2800% is the change from 17 to 493
Calculation steps:
[( 493 - 17 ) ÷ 17] x 100 = 2800%
Formula
Percentage change = [(493 - 17) / 17] x 100
Subtract the new number by the original number
493 - 17 = 476
476 ÷ 17 = 28
28 x 100 = 2800%
Example