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
San Jose 1 Tijuana 1 In
Millonarios 0 Corinthians 1 -0.1
Week of 4/9100.0*Chance in playoffs100.0*Average seed
Corinthians 3 San Jose 0 -0.2
Tijuana 1 Millonarios 0 +0.1
Week of 4/16None
Chance Will Make Playoffs