How are these numbers calculated?

Big Games

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

Week of 1/25100.0*Chance wins title100.0*Average seed
Central Oklahoma 3 Arizona 1 -7.9
-0.1
Central Oklahoma 5 Arizona 0 -7.3
-0.1
Central Oklahoma 5 Arizona State 2 -4.6
-0.0
Week of 2/1100.0*Chance wins title100.0*Average seed
Central Oklahoma 3 Colorado 2 -26.0
-0.3
Oklahoma 4 Colorado 3 -2.8
Oklahoma 4 Colorado 5 +1.9
Central Oklahoma 6 Colorado State 1 -1.9
-0.0
Central Oklahoma 5 Colorado State 0 -1.6
-0.0
Points
Chance Will Win Championship