How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
Wichita 2 Allen 6 +0.5
Saturday100.0*Average seed
Allen 0 Missouri 4 -0.1
Tulsa 2 Wichita 5 -0.0
Sunday100.0*Average seed
Tulsa 2 Allen 3 +0.2
Points
Chance Will Make Playoffs