What is every Sun Belt Conference team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Marshall 22-16-0 57.9% 42.1% -1.6
UL Monroe 47-37-0 56.0% 44.1% +3.9
S Mississippi 30-26-1 53.6% 46.4% +2.9
Coastal Car 23-20-0 53.5% 46.5% +1.3
GA Southern 31-27-2 53.5% 46.6% +1.0
N Mex State 36-36-1 50.0% 50.0% +1.6
Louisiana 23-23-1 50.0% 50.0% +0.1
James Mad 4-4-0 50.0% 50.0% -4.8
Old Dominion 31-32-2 49.2% 50.8% +1.4
Georgia St 32-37-0 46.4% 53.6% -0.3
S Alabama 29-34-1 46.0% 54.0% -2.6
Troy 16-21-0 43.2% 56.8% -2.7
Texas St 34-45-1 43.0% 57.0% -1.0
App State 8-13-0 38.1% 61.9% -3.4
Arkansas St 20-34-0 37.0% 63.0% -0.9