How are these numbers calculated?

Big Games

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

Thursday, 12/29100.0*1st in Group100.0*Average seed
CZE 2 DEN 3 (ot)+5.5
+0.1
SWE 3 FIN 1 +2.9
+0.0
Friday, 12/30None
Saturday, 12/31None
Points
Chance Will Make Playoffs