How are these numbers calculated?

Big Games

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

Week of 8/22100.0*Chance in playoffs100.0*NWSL Shield100.0*Average seed
Sky Blue 1 Thorns 0 +4.6
+0.1
Kansas 0 Spirit 0 In
+0.2
Kansas 3 Breakers 0 -0.6
-0.1
Stars 0 Flash 0 +0.1
+0.1
Dash 0 Reign 3 +0.1
-1.1
Reign 3 Breakers 1 No
Week of 8/29100.0*Chance in playoffs100.0*NWSL Shield100.0*Average seed
Flash 0 Stars 2 -0.2
Thorns 3 Spirit 3 -0.1
Week of 9/4100.0*Chance in playoffs100.0*NWSL Shield100.0*Average seed
Spirit 1 Reign 2 -0.4
Sky Blue 2 Kansas 3 -0.3
Points
Chance Will Make Playoffs