What is every Big Sky Conference team's record against the over/under line as an underdog since the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Idaho St 89-60-1 59.7% 40.3% +2.4
Montana St 59-43-0 57.8% 42.2% +2.5
S Utah 58-43-1 57.4% 42.6% +2.6
North Dakota 83-68-0 55.0% 45.0% +2.7
Sac State 73-60-2 54.9% 45.1% +0.8
E Washingtn 51-43-2 54.3% 45.7% +1.5
Montana 33-28-0 54.1% 45.9% +0.4
Idaho 82-75-4 52.2% 47.8% +1.3
N Colorado 39-36-0 52.0% 48.0% +1.4
Weber St 36-36-0 50.0% 50.0% +0.3
Portland St 51-56-3 47.7% 52.3% +1.2
N Arizona 71-87-2 44.9% 55.1% -0.7