How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday100.0*Average seed
Dubuque 4 Sioux City 3 +0.3
Madison 2 Bloomington 1 (ot)-0.1
Lincoln 4 Green Bay 1 +0.1
Saturday100.0*Average seed
Waterloo 2 Dubuque 6 +0.5
Lincoln 1 Green Bay 3 -0.3
Bloomington 4 Chicago 5 (ot)+0.2
SundayNone
Points
Chance Will Make Playoffs