How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/11100.0*Average seed
Azerbaijan 2 Northern Ireland 0 -4.8
Israel 1 Northern Ireland 1 +1.1
Portugal 3 Luxembourg 0 +0.8
Luxembourg 0 Russia 4 +0.5
Azerbaijan 1 Russia 1 -0.2
Latvia 2 Slovakia 2 -0.1
Ireland 3 Kazakhstan 1 +0.1
Moldova 3 San Marino 0 -0.1
Romania 2 Estonia 0 +0.1
Portugal 1 Israel 1 -0.1
Cyprus 0 Albania 0 +0.1
Faroe Islands 1 Kazakhstan 1 +0.0
Estonia 0 Turkey 2 +0.0
Spain 2 Belarus 1 +0.0
Points
Chance Will Make Playoffs