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
San Marino 0 Norway 8 +1.9
Azerbaijan 1 Czech Republic 2 +0.4
Gibraltar 0 Estonia 6 -0.2
Armenia 1 Poland 6 +0.1
Croatia 1 Finland 1 -0.1
Malta 1 Lithuania 1 +0.1
Georgia 0 Wales 1 +0.1
Liechtenstein 0 Israel 1 -0.1
Cyprus 1 Greece 2 +0.1
Italy 1 Macedonia 1 -0.1
Sweden 8 Luxembourg 0 +0.0
Romania 3 Kazakhstan 1 -0.0
Belarus 1 Netherlands 3 +0.0
Week of 10/10100.0*Average seed
Norway 1 N Ireland 0 +3.8
Germany 5 Azerbaijan 1 +0.4
Czech Republic 5 San Marino 0 -0.2
Estonia 1 Bosnia-Herzegov 2 +0.2
Luxembourg 1 Bulgaria 1 +0.1
Finland 2 Turkey 2 +0.1
Moldova 0 Austria 1 -0.1
Denmark 1 Romania 1 -0.1
Macedonia 4 Liechtenstein 0 -0.1
Belgium 4 Cyprus 0 +0.0
Points
Chance Will Make Playoffs