-96.59% is the change from 499 to 17
Calculation steps:
[( 17 - 499 ) ÷ 499] x 100 = -96.59%
Formula
Percentage change = [(17 - 499) / 499] x 100
Subtract the new number by the original number
17 - 499 = -482
-482 ÷ 499 = -0.9659318637274549
-0.9659318637274549 x 100 = -96.59%