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
Liechtenstein 0 Israel 1 +3.3
Italy 1 Macedonia 1 +0.5
Spain 3 Albania 0 +0.4
Romania 3 Kazakhstan 1 -0.2
Austria 3 Serbia 2 -0.2
San Marino 0 Norway 8 -0.1
Gibraltar 0 Estonia 6 -0.1
Bulgaria 0 France 1 +0.1
Cyprus 1 Greece 2 +0.1
Armenia 1 Poland 6 +0.1
Switzerland 5 Hungary 2 +0.1
Faroe Islands 0 Latvia 0 +0.0
Week of 10/10100.0*Average seed
Israel 0 Spain 1 -3.6
Albania 0 Italy 1 +1.5
Norway 1 N Ireland 0 -0.2
Czech Republic 5 San Marino 0 -0.2
Moldova 0 Austria 1 -0.2
Germany 5 Azerbaijan 1 +0.1
Estonia 1 Bosnia-Herzegov 2 +0.1
Belgium 4 Cyprus 0 +0.1
Denmark 1 Romania 1 -0.0
Slovakia 3 Malta 0 -0.0
Slovenia 2 Scotland 2 -0.0
Points
Chance Will Make Playoffs