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*Chance in playoffs100.0*Qualify chance incl. playoff100.0*Average seed
Bulgaria 0 France 1 +28.9
+22.3
+3.7
Sweden 8 Luxembourg 0 -20.5
-12.0
-1.4
Belarus 1 Netherlands 3 -4.7
-4.0
-0.6
Bosnia 3 Belgium 4 +1.5
+0.0
Cyprus 1 Greece 2 -0.9
Week of 10/8100.0*Chance in playoffs100.0*Qualify chance incl. playoff100.0*Average seed
France 2 Belarus 1 In
Yes
+2.6
Netherlands 2 Sweden 0 In
Yes
+1.6
Iceland 2 Kosovo 0 -0.2
Poland 4 Montenegro 2 -0.2
Serbia 1 Georgia 0 -0.2
Norway 1 Northern Ireland 0 +0.2
Lithuania 0 England 1 -0.1
Albania 0 Italy 1 -0.1
Slovenia 2 Scotland 2 +0.1
Ukraine 0 Croatia 2 -0.1
Wales 0 Ireland 1 +0.1
Denmark 1 Romania 1 -0.0
Points
Chance Will Make Playoffs