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 1 England 0 -26.1
-19.0
-1.4
Portugal 2 Ghana 2 +3.5
+2.7
+0.1
Ghana 1 Spain 1 +1.7
+2.2
+0.1
England 1 Spain 1 +0.6
-5.7
-0.2
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 Out
-2.1
Spain 2 Portugal 1 -1.0
-0.1
Germany 1 Korea 0 +0.2
Ivory 4 Brazil 0 +0.0
Points
Chance Will Make Playoffs