How are these numbers calculated?

Big Games

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

Week of 2/15100.0*Average seed
Missouri State 3 Arkansas 4 (ot)+1.0
Missouri State 4 Arkansas 3 -0.3
Colorado 3 Colorado State 2 (ot)-0.1
Colorado State 4 Colorado 3 (ot)-0.1
Week of 3/2100.0*Average seed
Arizona State 0 Arizona 2 +0.1
Arizona State 3 Arizona 5 +0.1
Points
Chance Will Win Championship