How are these numbers calculated?

Big Games

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

Saturday, 7/7100.0*Chance in playoffs100.0*Average seed
Greece 63 Latvia 49 -4.0
-0.4
Luxembourg 66 Italy 88 -0.1
-0.0
Wednesday, 7/11100.0*Chance in playoffs100.0*Average seed
Latvia 80 Finland 47 +15.2
+0.3
Italy 68 Greece 61 +3.7
+0.0
Saturday, 7/14None
Points
Chance Will Make Playoffs