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*Average seed
Switzerland 5 Hungary 2 +0.1
Bulgaria 0 France 1 +0.1
Belarus 1 Netherlands 3 -0.1
Bosnia 3 Belgium 4 +0.1
Faroe Islands 0 Latvia 0 +0.0
Week of 10/8100.0*Average seed
Czech Republic 5 San Marino 0 +3.3
Norway 1 Northern Ireland 0 -2.3
Germany 5 Azerbaijan 1 +0.9
Estonia 1 Bosnia 2 -0.4
Albania 0 Italy 1 +0.3
Slovakia 3 Malta 0 -0.1
Israel 0 Spain 1 +0.0
Points
Chance Will Make Playoffs