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*Direct qualify100.0*Average seed
Scotland 1 Slovakia 0 +0.1
+7.7
+3.6
England 1 Slovenia 0 Out
+0.3
+0.5
Georgia 0 Wales 1 -0.4
-0.0
Cyprus 1 Greece 2 -0.4
-0.0
Bosnia-Herzegov 3 Belgium 4 +0.4
+0.1
Turkey 0 Iceland 3 -0.1
+0.1
Croatia 1 Finland 1 +0.1
+0.0
Sweden 8 Luxembourg 0 -0.1
Republic of Ire 2 Moldova 0 -0.1
Belarus 1 Netherlands 3 -0.1
Bulgaria 0 France 1 +0.1
Austria 3 Serbia 2 -0.1
Kosovo 0 Ukraine 2 -0.1
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Slovenia 2 Scotland 2 -6.7
+3.2
Slovakia 3 Malta 0 -1.0
-1.1
Greece 4 Gibraltar 0 -0.9
Serbia 1 Georgia 0 -0.1
Norway 1 N Ireland 0 +0.1
Poland 4 Montenegro 2 +0.1
Finland 2 Turkey 2 +0.1
Estonia 1 Bosnia-Herzegov 2 -0.1
Netherlands 2 Sweden 0 -0.1
Ukraine 0 Croatia 2 +0.0
Points
Chance Will Make Playoffs