How are these numbers calculated?

Big Games

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

Week of 8/3100.0*Chance in playoffs100.0*Average seed
Spirit 1 Stars 0 -3.3
-0.3
Stars 3 Reign 1 +2.8
+0.3
Flash 1 Reign 0 -1.4
Sky Blue 1 Spirit 0 -1.3
Breakers 2 Flash 2 +0.2
Thorns 2 Kansas 3 -0.2
Breakers 2 Thorns 1 +0.1
-0.2
Week of 8/10100.0*Chance in playoffs100.0*Average seed
Breakers 1 Kansas 0 -0.2
Stars 3 Sky Blue 3 -0.0
Week of 8/17100.0*Chance in playoffs100.0*Average seed
Kansas 1 Stars 2 +0.2
Flash 2 Breakers 1 +0.1
Points
Chance Will Make Playoffs