How are these numbers calculated?

Big Games

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

Thursday100.0*Pres Trophy100.0*Average seed
Phoenix 2 Winnipeg 3 (ot)-0.3
-0.0
Orange County 3 Detroit 2 (ot)+0.2
Friday100.0*Pres Trophy100.0*Average seed
Moose Jaw 2 Orange County 4 Yes
+0.4
Points
Chance Will Make Playoffs