How are these numbers calculated?

Big Games

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

Sunday, 2/23100.0*Average seed
EHCO 7 SCL 0 +1.4
Wednesday, 2/26100.0*Average seed
SCL 4 EHCO 1 -1.6
HCC 3 HCA 9 -0.1
Friday, 2/28100.0*Average seed
EHCO 1 SCL 4 -1.4
HCA 7 HCC 3 +0.1
EHCK 3 GCK 2 +0.1
EHCV 3 HCT 2 (ot)+0.1
Points
Chance Will Make Playoffs