What is every Independent I-A team's record against the over/under line as an underdog since the 2017 season?

Definitions
Team Over Record Over % Under % Total +/-
U Mass 18-12-0 60.0% 40.0% +5.7
Connecticut 15-16-0 48.4% 51.6% +0.1
N Mex State 12-14-0 46.2% 53.8% +1.4
Liberty 8-10-0 44.4% 55.6% -3.3
Army 8-11-0 42.1% 57.9% -0.1
BYU 6-11-0 35.3% 64.7% -3.6
Notre Dame 2-6-0 25.0% 75.0% -6.4