How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Qualify chance incl. playoff100.0*Average seed
Bosnia 3 Belgium 4 -13.6
-3.2
Cyprus 1 Greece 2 -3.3
-0.8
Sweden 8 Luxembourg 0 -1.7
-0.1
Belarus 1 Netherlands 3 -1.2
-0.1
Bulgaria 0 France 1 -0.5
Gibraltar 0 Estonia 6 -0.2
Switzerland 5 Hungary 2 +0.0
Week of 10/8100.0*Qualify chance incl. playoff100.0*Average seed
Slovakia 3 Malta 0 No
-0.2
Slovenia 2 Scotland 2 No
Estonia 1 Bosnia 2 +4.4
Greece 4 Gibraltar 0 -0.5
Czech Republic 5 San Marino 0 -0.2
Albania 0 Italy 1 +0.2
Netherlands 2 Sweden 0 -0.1
Israel 0 Spain 1 +0.1
Moldova 0 Austria 1 -0.1
Poland 4 Montenegro 2 +0.0
Denmark 1 Romania 1 +0.0
Ukraine 0 Croatia 2 +0.0
Luxembourg 1 Bulgaria 1 +0.0
Finland 2 Turkey 2 -0.0
Points
Chance Will Make Playoffs