-96.88% is the change from 417 to 13
Calculation steps:
[( 13 - 417 ) ÷ 417] x 100 = -96.88%
Formula
Percentage change = [(13 - 417) / 417] x 100
Subtract the new number by the original number
13 - 417 = -404
-404 ÷ 417 = -0.9688249400479616
-0.9688249400479616 x 100 = -96.88%