Orlando Magic biggest year-to-year improvement/decline
based on regular season win percentage:

                            Change in 
                              win %
Improvement: 1992 -> 1993     0.244   (0.256 -> 0.500)
Decline:     2003 -> 2004    -0.256   (0.512 -> 0.256)
Last Year:   2007 -> 2008     0.146   (0.488 -> 0.634)