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
Andorra 0 Portugal 2 -0.4
Faroe Islands 0 Latvia 0 -0.3
Georgia 0 Wales 1 +0.1
Malta 1 Lithuania 1 +0.1
Romania 3 Kazakhstan 1 +0.1
Belarus 1 Netherlands 3 +0.1
Republic of Ire 2 Moldova 0 +0.0
Kosovo 0 Ukraine 2 +0.0
Armenia 1 Poland 6 +0.0
Week of 10/10100.0*Average seed
Latvia 4 Andorra 0 -1.3
Kazakhstan 1 Armenia 1 +0.2
Moldova 0 Austria 1 +0.1
Lithuania 0 England 1 +0.0
Luxembourg 1 Bulgaria 1 -0.0
Points
Chance Will Make Playoffs