How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 1/29100.0*Average seed
Colorado State 4 Arizona 0 -0.5
Arkansas 1 Oklahoma 5 +0.1
Arkansas 3 Oklahoma 7 +0.1
Week of 2/5100.0*Average seed
Colorado 1 Arizona 6 +0.6
Colorado 2 Arizona 1 (so)+0.3
Arkansas 4 Missouri State 5 (so)-0.1
Week of 2/12None
Points
Chance Will Win Championship