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
Brazil 0 Korea 0 -1.7
-6.3
-0.2
Germany 3 Ivory 1 -0.7
-0.8
-0.0
Ghana 1 Spain 1 +1.3
Portugal 1 England 0 -0.6
Portugal 2 Ghana 2 -0.1
England 1 Spain 1 -0.1
Week of 6/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Ivory 4 Brazil 0 Out
-0.9
Germany 1 Korea 0 +0.4
+0.2
England 0 Ghana 4 +0.5
Points
Chance Will Make Playoffs