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 +2.3
Cyprus 1 Greece 2 +0.5
Faroe Islands 0 Latvia 0 +0.1
Sweden 8 Luxembourg 0 +0.0
Week of 10/8100.0*Average seed
Estonia 1 Bosnia 2 -1.8
Belgium 4 Cyprus 0 +0.5
Norway 1 Northern Ireland 0 -0.3
Moldova 0 Austria 1 -0.1
Germany 5 Azerbaijan 1 +0.1
Israel 0 Spain 1 +0.1
Macedonia 4 Liechtenstein 0 -0.1
Points
Chance Will Make Playoffs