How are these numbers calculated?

Big Games

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

Week of 4/7100.0*Chance in playoffs100.0*Average seed
San Jose 1 Juan Aurich 1 +13.5
+0.1
Tigres 2 River Plate 2 +12.7
+0.3
Week of 4/14100.0*Chance in playoffs100.0*Average seed
River Plate 2 San Jose 0 +34.9
+0.6
Juan Aurich 4 Tigres 5 +12.1
+0.1
Week of 4/21None
Points
Chance Will Make Playoffs