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

Definitions
Team Over Record Over % Under % Total +/-
N Mex State 28-20-0 58.3% 41.7% +4.4
Coastal Car 14-10-0 58.3% 41.7% +1.4
Louisiana 18-14-1 56.3% 43.8% +1.4
GA Southern 20-16-1 55.6% 44.4% +1.3
S Mississippi 19-16-1 54.3% 45.7% +4.1
Old Dominion 19-17-2 52.8% 47.2% +0.8
UL Monroe 28-27-0 50.9% 49.1% +0.5
Marshall 10-10-0 50.0% 50.0% -2.2
Georgia St 21-23-0 47.7% 52.3% +0.1
S Alabama 18-22-0 45.0% 55.0% -2.8
James Mad 3-4-0 42.9% 57.1% -6.6
Texas St 19-29-1 39.6% 60.4% -2.6
Arkansas St 13-20-0 39.4% 60.6% -1.7
Troy 10-16-0 38.5% 61.5% -4.4
App State 6-10-0 37.5% 62.5% -4.0