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 +7.3
Tigres 2 River Plate 2 -5.5
-0.0
Week of 4/14100.0*Chance in playoffs100.0*Average seed
River Plate 3 San Jose 0 +37.6
+0.8
Juan Aurich 4 Tigres 5 +14.9
+0.1
Week of 4/21None
Points
Chance Will Make Playoffs