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 HCAP 1 +0.2
ZSC 3 EHCB 0 +0.1
Friday100.0*Average seed
EHCB 2 HCD 3 +0.5
SCB 2 GSHC 1 (so)+0.0
Saturday100.0*Average seed
GSHC 2 EHCK 4 +0.2
HCD 6 SCLT 2 +0.2
Points
Chance Will Make Playoffs