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
Millonarios 0 Corinthians 1 +21.1
+0.5
San Jose 1 Tijuana 1 +1.3
+0.1
Week of 4/9100.0*Chance in playoffs100.0*Average seed
Tijuana 1 Millonarios 0 -0.3
Corinthians 3 San Jose 0 +0.3
Week of 4/16None
Points
Chance Will Make Playoffs