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
Austria 3 Serbia 2 -9.6
-6.3
-1.8
Georgia 0 Wales 1 -4.2
-2.4
-0.3
Republic of Ire 2 Moldova 0 -0.5
-0.3
-0.0
Cyprus 1 Greece 2 -0.3
Bosnia-Herzegov 3 Belgium 4 +0.2
Scotland 1 Slovakia 0 +0.2
Turkey 0 Iceland 3 -0.1
-0.1
Croatia 1 Finland 1 +0.1
+0.1
Sweden 8 Luxembourg 0 -0.1
-0.0
England 1 Slovenia 0 -0.1
Armenia 1 Poland 6 -0.1
Bulgaria 0 France 1 -0.1
Montenegro 0 Denmark 1 -0.0
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Serbia 1 Georgia 0 In
Yes
+1.8
Wales 0 Republic of Ire 1 +7.1
+3.6
+0.5
Greece 4 Gibraltar 0 -0.7
-0.0
Slovakia 3 Malta 0 -0.4
Slovenia 2 Scotland 2 +0.3
+0.0
Ukraine 0 Croatia 2 -0.1
-0.0
Norway 1 N Ireland 0 +0.1
Iceland 2 Kosovo 0 -0.2
France 2 Belarus 1 -0.1
Netherlands 2 Sweden 0 +0.0
Points
Chance Will Make Playoffs