What is every NFC South Division team's record against the over/under line as an underdog since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Tampa Bay 57-52-1 52.3% 47.7% +1.6
Carolina 57-53-2 51.8% 48.2% +0.3
New Orleans 33-39-0 45.8% 54.2% -0.6
Atlanta 37-57-0 39.4% 60.6% -1.0