How are these numbers calculated?

Big Games

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

Tuesday100.0*Average seed
LHC 3 SCLT 1 +0.2
Friday100.0*Average seed
HCAP 3 HCD 0 +0.5
SCRJ 1 HCL 4 +0.3
EVZ 5 SCLT 4 +0.2
Saturday100.0*Average seed
HCD 5 SCRJ 3 +0.0
Points
Chance Will Make Playoffs