Charlotte Sting biggest year-to-year improvement/decline
based on regular season win percentage:

                            Change in 
                              win %
Improvement: 2000 -> 2001     0.313   (0.250 -> 0.563)
Decline:     2004 -> 2005    -0.295   (0.471 -> 0.176)
Last Year:   2005 -> 2006     0.148   (0.176 -> 0.324)