-96.5% is the change from 486 to 17
Calculation steps:
[( 17 - 486 ) ÷ 486] x 100 = -96.5%
Formula
Percentage change = [(17 - 486) / 486] x 100
Subtract the new number by the original number
17 - 486 = -469
-469 ÷ 486 = -0.9650205761316872
-0.9650205761316872 x 100 = -96.5%