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 -1.3
HCA 4 HCC 2 -0.1
EHCV 2 HCT 1 (ot)+0.0
EHCK 4 GCK 3 (ot)+0.0
Wednesday, 2/26100.0*Average seed
SCL 4 EHCO 1 +1.6
GCK 1 EHCK 6 +0.1
HCC 3 HCA 9 +0.1
HCT 1 EHCV 4 +0.1
Friday, 2/28100.0*Average seed
EHCO 1 SCL 4 +0.7
EHCV 3 HCT 2 (ot)+0.0
EHCK 3 GCK 2 -0.0
HCA 7 HCC 3 -0.0
Points
Chance Will Make Playoffs