How are these numbers calculated?

Big Games

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

Week of 2/8100.0*Chance wins title100.0*Average seed
Michigan-Dearborn 7 Lawrence Tech 4 +1.7
+0.0
Indiana Tech 4 Rochester 0 -0.3
Week of 2/15100.0*Chance wins title100.0*Average seed
Michigan-Dearborn 9 Rochester 0 Yes
+0.0
Points
Chance Will Win Championship