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

Definitions
Team Over Record Over % Under % Total +/-
North Dakota 15-7-0 68.2% 31.8% +7.1
Sac State 15-10-1 60.0% 40.0% +0.1
Idaho State 10-7-0 58.8% 41.2% +3.6
Portland St 8-6-2 57.1% 42.9% +1.3
S Utah 14-11-0 56.0% 44.0% -1.4
E Washingtn 8-7-0 53.3% 46.7% +1.5
Idaho 3-3-0 50.0% 50.0% -2.5
Montana St 8-8-1 50.0% 50.0% +0.7
N Arizona 13-14-1 48.1% 51.8% -0.5
N Colorado 6-7-0 46.2% 53.8% +0.7
Weber State 3-5-0 37.5% 62.5% +0.1
Montana 2-4-0 33.3% 66.7% -11.4