How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
NOT 2 SHE 3 +0.1
Saturday100.0*Average seed
CAR 4 BEL 3 +0.1
Sunday100.0*Average seed
CAR 3 BEL 5 -0.3
SHE 4 COV 1 +0.2
Points
Chance Will Make Playoffs