-96.46% is the change from 480 to 17
Calculation steps:
[( 17 - 480 ) ÷ 480] x 100 = -96.46%
Formula
Percentage change = [(17 - 480) / 480] x 100
Subtract the new number by the original number
17 - 480 = -463
-463 ÷ 480 = -0.9645833333333333
-0.9645833333333333 x 100 = -96.46%