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
Gibraltar 0 Estonia 6 -0.2
Sweden 8 Luxembourg 0 +0.1
Belarus 1 Netherlands 3 +0.1
Andorra 0 Portugal 2 +0.1
Week of 10/8100.0*Average seed
Finland 2 Turkey 2 -0.4
Macedonia 4 Liechtenstein 0 -0.3
Lithuania 0 England 1 +0.2
Kazakhstan 1 Armenia 1 +0.1
Serbia 1 Georgia 0 +0.1
Norway 1 Northern Ireland 0 -0.1
Germany 5 Azerbaijan 1 +0.1
Points
Chance Will Make Playoffs