mcubed.net : MLB : Arizona Diamondbacks : biggest year-to-year improvement/decline

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Improvements/declines

Arizona Diamondbacks : biggest year-to-year improvement/decline


Based on regular season win percentage:

                            Change in 
                              win %
Improvement: 1998 -> 1999      21.6   (40.1  ->  61.7)
Decline:     2003 -> 2004     -20.4   (51.9  ->  31.5)
Last Year:   2024 -> 2025      -5.5   (54.9  ->  49.4)