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
Andorra 0 Portugal 2 +18.4
+9.2
+1.8
Switzerland 5 Hungary 2 -14.8
-7.4
-0.9
Bosnia 3 Belgium 4 -0.1
Week of 10/8100.0*Chance in playoffs100.0*Qualify chance incl. playoff100.0*Average seed
Portugal 2 Switzerland 0 In
Yes
+4.3
Israel 0 Spain 1 -0.2
Belgium 4 Cyprus 0 -0.2
Germany 5 Azerbaijan 1 -0.1
Points
Chance Will Make Playoffs