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
Georgia 0 Wales 1 -2.4
Republic of Ire 2 Moldova 0 +0.3
Austria 3 Serbia 2 -0.3
San Marino 0 Norway 8 -0.2
Armenia 1 Poland 6 +0.2
Belarus 1 Netherlands 3 +0.1
Sweden 8 Luxembourg 0 +0.1
Andorra 0 Portugal 2 +0.1
Gibraltar 0 Estonia 6 -0.1
Croatia 1 Finland 1 +0.0
Malta 1 Lithuania 1 +0.0
Faroe Islands 0 Latvia 0 +0.0
Italy 1 Macedonia 1 +0.0
Week of 10/10100.0*Average seed
Serbia 1 Georgia 0 -1.8
Lithuania 0 England 1 +0.3
France 2 Belarus 1 +0.2
Macedonia 4 Liechtenstein 0 -0.1
Finland 2 Turkey 2 -0.1
Latvia 4 Andorra 0 -0.1
Moldova 0 Austria 1 +0.1
Kazakhstan 1 Armenia 1 +0.1
Points
Chance Will Make Playoffs