What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
TX Christian 2-0-0 100.0% 0.0% +6.0
Iowa St 6-4-0 60.0% 40.0% +2.6
Texas 3-2-0 60.0% 40.0% +20.1
Oklahoma St 2-4-0 33.3% 66.7% -0.7
Baylor 1-4-0 20.0% 80.0% -4.0
Kansas St 0-4-0 0.0% 100.0% -13.4