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*Direct qualify100.0*Average seed
Cyprus 1 Greece 2 +13.4
+2.2
Bosnia-Herzegov 3 Belgium 4 +4.0
+0.6
Georgia 0 Wales 1 -1.6
-0.1
Scotland 1 Slovakia 0 +0.6
+0.1
Turkey 0 Iceland 3 -0.4
Republic of Ire 2 Moldova 0 -0.3
-0.0
Croatia 1 Finland 1 +0.2
+0.1
Sweden 8 Luxembourg 0 -0.2
-0.0
England 1 Slovenia 0 +0.2
+0.1
Austria 3 Serbia 2 +0.2
Belarus 1 Netherlands 3 -0.2
-0.1
Montenegro 0 Denmark 1 -0.1
Kosovo 0 Ukraine 2 -0.1
-0.0
Bulgaria 0 France 1 -0.1
Week of 10/10100.0*Direct qualify100.0*Average seed
Greece 4 Gibraltar 0 +12.2
+0.9
Slovenia 2 Scotland 2 +1.6
+0.1
Wales 0 Republic of Ire 1 +1.0
+0.2
Norway 1 N Ireland 0 +0.9
+0.3
Ukraine 0 Croatia 2 -0.7
-0.1
Estonia 1 Bosnia-Herzegov 2 -0.6
-0.5
Slovakia 3 Malta 0 -0.6
-0.0
Serbia 1 Georgia 0 -0.4
-0.1
Denmark 1 Romania 1 -0.1
-0.0
Netherlands 2 Sweden 0 +0.1
Poland 4 Montenegro 2 +0.1
Points
Chance Will Make Playoffs