What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2021-2022 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 1-0-0 100.0% 0.0% +5.0
TX Christian 3-2-1 60.0% 40.0% +0.2
Texas 1-1-0 50.0% 50.0% +8.5
W Virginia 2-2-0 50.0% 50.0% +0.4
Iowa St 2-2-0 50.0% 50.0% +3.8
Kansas St 2-2-0 50.0% 50.0% +0.6
Oklahoma 1-3-0 25.0% 75.0% -6.9
Oklahoma St 0-4-0 0.0% 100.0% -14.1