How are these numbers calculated?

Big Games

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

Tuesday100.0*Average seed
HCD 4 SCB 2 +0.4
HCFG 2 EVZ 1 +0.2
Friday100.0*Average seed
HCAP 3 HCD 0 -0.4
EHCB 5 ZSC 1 +0.2
EVZ 5 SCLT 4 -0.2
Saturday100.0*Average seed
HCD 5 SCRJ 3 +0.7
HCFG 1 GSHC 6 -0.2
ZSC 4 EVZ 1 -0.1
Points
Chance Will Make Playoffs