How are these numbers calculated?

Big Games

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

Week of 6/16100.0*Chance in next round100.0*Average seed
Sweden 1 South Korea 0 +31.6
+0.6
Germany 0 Mexico 1 -0.2
Week of 6/21100.0*Chance in next round100.0*Average seed
Mexico 0 Sweden 3 In
+1.3
Germany 2 Sweden 1 -47.4
-0.9
South Korea 2 Germany 0 +20.2
+0.0
South Korea 1 Mexico 2 +1.3
-0.0
Week of 6/28None
Points
Chance Will Make Next Round