How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/3100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Portugal 2 Ghana 2 -8.6
-8.8
-0.3
England 1 Spain 1 +4.0
+0.9
+0.1
Ghana 1 Spain 1 -1.6
-6.4
-0.2
Portugal 1 England 0 -0.7
-0.9
-0.0
Brazil 0 Korea 0 +2.2
+0.1
Germany 3 Ivory 1 -0.9
-0.0
Week of 6/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
England 0 Ghana 4 In
+1.0
Spain 2 Portugal 1 -16.1
-0.2
Ivory 4 Brazil 0 No
-0.0
Germany 1 Korea 0 +0.3
Points
Chance Will Make Playoffs