How are these numbers calculated?

Big Games

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

Week of 8/25100.0*Average seed
Spirit 0 Thorns 1 +0.2
Pride 1 Stars 3 -0.1
Reign 1 Courage 1 +0.1
Week of 9/1100.0*Average seed
Thorns 3 Reign 1 +0.7
Stars 5 Sky Blue 0 -0.0
Week of 9/8None
Points
Chance Will Make Playoffs