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*Qualify chance incl. playoff100.0*Average seed
Cyprus 1 Greece 2 -0.1
Bosnia 3 Belgium 4 +0.1
Bulgaria 0 France 1 -0.1
Sweden 8 Luxembourg 0 -0.1
Week of 10/8100.0*Qualify chance incl. playoff100.0*Average seed
Norway 1 Northern Ireland 0 -1.0
-2.4
Slovenia 2 Scotland 2 +0.3
+0.1
Ukraine 0 Croatia 2 -0.3
Serbia 1 Georgia 0 -0.2
Wales 0 Ireland 1 +0.2
Denmark 1 Romania 1 +0.1
Greece 4 Gibraltar 0 -0.1
Poland 4 Montenegro 2 -0.0
Points
Chance Will Make Playoffs