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
Faroe Islands 0 Latvia 0 -0.7
Andorra 0 Portugal 2 +0.4
Belarus 1 Netherlands 3 +0.1
Sweden 8 Luxembourg 0 +0.1
Gibraltar 0 Estonia 6 +0.1
Week of 10/8100.0*Average seed
Latvia 4 Andorra 0 +2.9
Kazakhstan 1 Armenia 1 +0.2
Lithuania 0 England 1 +0.2
Serbia 1 Georgia 0 +0.1
France 2 Belarus 1 +0.1
Moldova 0 Austria 1 +0.1
Slovakia 3 Malta 0 +0.1
Iceland 2 Kosovo 0 +0.1
Luxembourg 1 Bulgaria 1 +0.0
Points
Chance Will Make Playoffs