How are these numbers calculated?

Big Games

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

FridayNone
Saturday100.0*Average seed
FIF 1 BEL 3 +0.2
BRA 9 HUL 4 -0.1
Sunday100.0*Average seed
COV 1 HUL 2 (so)+0.3
FIF 2 BRA 3 +0.2
Points
Chance Will Make Playoffs