How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
St. Charles 3 Quad City 7 +0.1
Brampton 3 Rapid City 2 (so)-0.1
Saturday100.0*Average seed
St. Charles 0 Quad City 5 +0.1
SundayNone
Points
Chance Will Make Playoffs