How are these numbers calculated?

Big Games

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

Week of 10/16100.0*NWSL Shield100.0*Average seed
Reign 0 Spirit 2 +29.7
+0.3
Dash 0 Thorns 1 Yes
+0.2
Courage 0 Gotham 3 -0.1
Week of 10/28None
Week of 10/30None
Points
Chance Will Make Playoffs