New Orleans Pelicans biggest year-to-year improvement/decline

Based on regular season win percentage:

                            Change in 
                              win %
Improvement: 2005 -> 2006     0.243   (0.220 -> 0.463)
Decline:     2024 -> 2025    -0.342   (0.598 -> 0.256)
Last Year:   2025 -> 2026     0.061   (0.256 -> 0.317)