How are these numbers calculated?

Big Games

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

Week of 9/23100.0*Chance in playoffs100.0*Average seed
Reign 0 Kansas 1 In
+0.1
Dash 2 Stars 3 -0.2
-0.2
Pride 0 Thorns 0 -0.2
-0.0
Week of 9/30100.0*Chance in playoffs100.0*Average seed
Courage 2 Pride 3 +0.4
Thorns 3 Stars 1 +0.1
Points
Chance Will Make Playoffs