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
Belarus 1 Netherlands 3 -0.1
Bulgaria 0 France 1 +0.0
Week of 10/8100.0*Average seed
Albania 0 Italy 1 -1.8
Israel 0 Spain 1 +1.5
Hungary 1 Faroe Islands 0 -0.4
Norway 1 Northern Ireland 0 -0.1
Denmark 1 Romania 1 -0.1
Czech Republic 5 San Marino 0 -0.1
Moldova 0 Austria 1 -0.0
Points
Chance Will Make Playoffs