How are these numbers calculated?

Big Games

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

Wednesday100.0*Average seed
HCT 0 EHCK 2 +0.2
HCC 2 HCA 5 -0.2
Friday100.0*Average seed
HCA 5 EHCW 2 -0.2
EHCK 4 EVZA 3 (ot)+0.0
Sunday100.0*Average seed
HCC 3 EHCK 4 +0.3
EHCV 3 HCA 4 (so)+0.0
Points
Chance Will Make Playoffs