How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
BEL 5 FIF 3 -0.2
Saturday100.0*Average seed
BRA 8 EDI 1 +0.4
BEL 5 FIF 1 -0.2
SHE 4 NOT 3 +0.2
MAN 2 CAR 5 -0.1
Sunday100.0*Average seed
EDI 3 BRA 6 +0.4
Points
Chance Will Make Playoffs