How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/11100.0*Incl 2nd place playoff100.0*Average seed
Germany 3 Ireland 0 No
-0.7
Sweden 2 Austria 1 No
+0.2
Armenia 2 Bulgaria 1 -0.1
Iceland 2 Cyprus 0 -0.0
Andorra 0 Romania 4 -0.0
Estonia 0 Turkey 2 -0.1
Ireland 3 Kazakhstan 1 +1.0
England 2 Poland 0 +0.2
Lithuania 0 Bosnia 1 +0.1
Ukraine 1 Poland 0 +0.1
Norway 1 Iceland 1 +0.1
Albania 1 Switzerland 2 +0.1
Malta 1 Czech Republic 4 -0.1
Faroe Islands 0 Austria 3 -0.1
Cyprus 0 Albania 0 +0.1
Italy 2 Armenia 2 +0.0
Lithuania 2 Latvia 0 -0.0
Latvia 2 Slovakia 2 +0.0
Points
Chance Will Make Playoffs