What is every NFC South Division team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Tampa Bay 40-34-1 54.1% 46.0% +2.2
Carolina 43-40-1 51.8% 48.2% +0.8
New Orleans 25-33-0 43.1% 56.9% -0.9
Atlanta 28-43-0 39.4% 60.6% -1.1