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
Kosovo 0 Ukraine 2 +17.5
+20.5
+5.2
Turkey 0 Iceland 3 -5.7
-3.9
+0.1
Croatia 1 Finland 1 +1.1
+1.9
+0.2
Georgia 0 Wales 1 -0.6
-0.1
Republic of Ire 2 Moldova 0 -0.6
-0.1
Bosnia-Herzegov 3 Belgium 4 +0.5
+0.1
Cyprus 1 Greece 2 -0.4
Sweden 8 Luxembourg 0 -0.2
-0.1
Bulgaria 0 France 1 -0.2
Belarus 1 Netherlands 3 -0.2
-0.1
Spain 3 Albania 0 +0.1
England 1 Slovenia 0 +0.1
Romania 3 Kazakhstan 1 -0.1
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Iceland 2 Kosovo 0 Out
-11.4
-1.1
Ukraine 0 Croatia 2 Out
No
-5.9
Finland 2 Turkey 2 +0.8
Poland 4 Montenegro 2 +0.2
Slovakia 3 Malta 0 -0.2
Netherlands 2 Sweden 0 -0.1
Serbia 1 Georgia 0 -0.1
Estonia 1 Bosnia-Herzegov 2 -0.1
Slovenia 2 Scotland 2 +0.1
Norway 1 N Ireland 0 +0.1
France 2 Belarus 1 -0.1
Albania 0 Italy 1 -0.0
Greece 4 Gibraltar 0 -0.0
Points
Chance Will Make Playoffs