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
Portugal 1 Morocco 0 +21.6
+0.5
Iran 0 Spain 1 -13.5
-0.2
Week of 6/21None
Week of 6/28None
Points
Chance Will Make Next Round