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 -13.7
-2.1
Cyprus 1 Greece 2 -4.6
-0.8
Sweden 8 Luxembourg 0 -0.5
-0.1
Belarus 1 Netherlands 3 -0.3
-0.1
Week of 10/8100.0*Qualify chance incl. playoff100.0*Average seed
Slovakia 3 Malta 0 No
-0.1
Slovenia 2 Scotland 2 No
-0.1
Estonia 1 Bosnia 2 +2.9
Greece 4 Gibraltar 0 -0.3
Netherlands 2 Sweden 0 -0.2
Ukraine 0 Croatia 2 +0.1
Albania 0 Italy 1 +0.1
Czech Republic 5 San Marino 0 -0.1
Poland 4 Montenegro 2 +0.1
Points
Chance Will Make Playoffs