How are these numbers calculated?

Big Games

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

Week of 4/2100.0*Chance in playoffs100.0*Average seed
The Strongest 2 Sao Paulo 1 -41.4
-0.7
Atletico-MG 5 Arsenal 2 +6.6
+0.1
Week of 4/9None
Week of 4/16100.0*Chance in playoffs100.0*Average seed
Sao Paulo 2 Atletico-MG 0 +30.2
+0.7
Arsenal 2 The Strongest 1 +7.5
-0.3
Points
Chance Will Make Playoffs