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
Independiente del Valle 1 San Lorenzo 1 -4.1
-0.1
Week of 4/1100.0*Chance in playoffs100.0*Average seed
Botafogo 0 Union Espanola 1 +5.9
Week of 4/8100.0*Chance in playoffs100.0*Average seed
San Lorenzo 3 Botafogo 0 +62.0
+1.2
Union Espanola 4 Independiente del Valle 5 -11.9
-0.3
Points
Chance Will Make Playoffs