How are these numbers calculated?

Big Games

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

Wednesday100.0*Promoted100.0*Average seed
HCC 2 HCA 5 -22.9
-0.5
HCT 0 EHCK 2 +7.4
+0.2
EHCV 5 EHCO 4 (ot)+2.6
Friday100.0*Promoted100.0*Average seed
HCBTR 2 HCC 1 -28.6
-0.7
GCK 7 EHCV 5 +10.6
+0.2
EHCO 6 SCL 0 -9.3
-0.3
HCS 4 HCT 2 +7.4
+0.2
Sunday100.0*Promoted100.0*Average seed
HCC 3 EHCK 4 No
-0.6
HCT 4 EHCO 3 (so)+6.6
+0.1
EHCV 3 HCA 4 (so)+4.9
+0.0
Points
Chance Will Make Playoffs