Sacramento Monarchs biggest year-to-year improvement/decline
based on regular season win percentage:

                            Change in 
                              win %
Improvement: 1998 -> 1999     0.327   (0.267 -> 0.594)
Decline:     2001 -> 2002    -0.187   (0.625 -> 0.438)
Last Year:   2006 -> 2007    -0.059   (0.618 -> 0.559)