What is every Sun Belt Conference team's record against the over/under line as an underdog since the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Marshall 14-10-0 58.3% 41.7% -1.9
Georgia St 25-20-0 55.6% 44.4% +2.3
S Mississippi 22-19-0 53.7% 46.3% +2.2
GA Southern 19-19-2 50.0% 50.0% +0.2
UL Monroe 27-27-0 50.0% 50.0% +2.6
Louisiana 13-14-0 48.2% 51.9% -1.3
S Alabama 19-22-0 46.3% 53.7% -2.4
Coastal Car 15-18-0 45.5% 54.6% -0.4
Old Dominion 20-25-1 44.4% 55.6% -1.0
Troy 12-15-0 44.4% 55.6% -3.0
App State 6-8-0 42.9% 57.1% -0.4
Texas St 20-31-0 39.2% 60.8% -1.4
Arkansas St 16-25-0 39.0% 61.0% -1.1
James Mad 2-4-0 33.3% 66.7% -9.3