How are these numbers calculated?

Big Games

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

Week of 9/10100.0*Chance in playoffs100.0*Average seed
Reign 2 Spirit 0 -3.6
Kansas 0 Stars 0 In
-0.0
Thorns 3 Flash 2 +0.1
Week of 9/24100.0*Chance in playoffs100.0*Average seed
Stars 3 Spirit 1 +0.5
Breakers 0 Flash 4 -0.2
Points
Chance Will Make Playoffs