How are these numbers calculated?

Big Games

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

Friday, 2/19100.0*Promoted100.0*Average seed
Czech Rep 5 Latvia 2 +9.8
+1.6
Finland 5 Germany 0 -0.7
-0.1
Belarus 2 Sweden 4 -0.6
-0.1
Saturday, 2/20None
Sunday, 2/21100.0*Promoted100.0*Average seed
Russia 4 Czech Rep 2 -26.2
-1.9
Sweden 3 Finland 0 -18.8
-0.4
Canada 2 USA 4 +10.3
+0.5
Points
Chance Will Make Quarter Finals