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
Malta 1 Lithuania 1 -0.7
Georgia 0 Wales 1 +0.2
San Marino 0 Norway 8 -0.1
Croatia 1 Finland 1 -0.1
Armenia 1 Poland 6 +0.1
Gibraltar 0 Estonia 6 -0.1
Belarus 1 Netherlands 3 +0.1
Sweden 8 Luxembourg 0 +0.1
Italy 1 Macedonia 1 -0.0
Week of 10/10100.0*Average seed
Lithuania 0 England 1 -0.4
Serbia 1 Georgia 0 +0.2
Latvia 4 Andorra 0 -0.2
Luxembourg 1 Bulgaria 1 +0.1
Kazakhstan 1 Armenia 1 -0.1
France 2 Belarus 1 +0.1
Points
Chance Will Make Playoffs