San Antonio Silver Stars biggest year-to-year improvement/decline
based on regular season win percentage:

                            Change in 
                              win %
Improvement: 2006 -> 2007     0.206   (0.382 -> 0.588)
Decline:     2002 -> 2003    -0.272   (0.625 -> 0.353)
Last Year:   2007 -> 2008     0.118   (0.588 -> 0.706)