How are these numbers calculated?

Big Games

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

Week of 6/12100.0*Chance in next round100.0*Average seed
Chile 3 Australia 1 +25.4
+0.6
Spain 0 Chile 2 +10.8
+0.2
Australia 2 Netherlands 3 +2.3
-0.0
Spain 1 Netherlands 5 -0.2
Week of 6/19100.0*Chance in next round100.0*Average seed
Netherlands 2 Chile 0 -0.5
Week of 6/26None
Points
Chance Will Make Next Round