How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
Grand Rapids 2 Charlotte 1 +0.2
Rochester 2 Utica 3 -0.2
Rockford 4 Chicago 3 -0.1
Saturday100.0*Average seed
Grand Rapids 3 Charlotte 7 -1.5
Adirondack 2 Utica 3 -0.4
Rockford 1 Toronto 3 +0.2
SundayNone
Points
Chance Will Make Playoffs