How are these numbers calculated?

Big Games

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

Week of 3/25100.0*Chance in playoffs100.0*Average seed
Leon 0 Bolivar 1 -28.2
-0.7
Week of 4/1100.0*Chance in playoffs100.0*Average seed
Emelec 1 Flamengo 2 -5.6
+0.1
Week of 4/8100.0*Chance in playoffs100.0*Average seed
Flamengo 2 Leon 3 In
+1.0
Bolivar 2 Emelec 1 -0.0
Points
Chance Will Make Playoffs