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

Definitions
Team Over Record Over % Under % Total +/-
Weber St 7-1-0 87.5% 12.5% +20.1
Montana 3-1-0 75.0% 25.0% +13.5
E Washingtn 8-3-0 72.7% 27.3% +9.5
Sac State 24-9-1 72.7% 27.3% +7.7
N Colorado 5-2-0 71.4% 28.6% +2.9
Idaho St 24-16-0 60.0% 40.0% +2.8
S Utah 13-9-0 59.1% 40.9% +0.5
Montana St 11-9-0 55.0% 45.0% +1.2
Idaho 33-28-2 54.1% 45.9% +2.8
N Arizona 24-23-1 51.1% 48.9% -1.3
North Dakota 21-21-0 50.0% 50.0% -0.5
Portland St 10-13-0 43.5% 56.5% -1.2