How are these numbers calculated?

Big Games

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

Week of 8/2100.0*Chance in playoffs100.0*Average seed
Spirit 2 Stars 1 +28.6
+0.7
Thorns 1 Dash 0 -1.4
-0.1
Kansas 2 Breakers 1 -0.0
Week of 8/9100.0*Chance in playoffs100.0*Average seed
Stars 2 Kansas 1 -5.4
-0.1
Breakers 2 Thorns 0 +4.7
+0.2
Reign 1 Spirit 1 +2.7
+0.1
Dash 1 Sky Blue 3 -0.5
Week of 8/16100.0*Chance in playoffs100.0*Average seed
Stars 3 Flash 3 In
+0.3
Spirit 0 Sky Blue 1 -6.0
-0.4
Thorns 1 Reign 0 -0.8
Points
Chance Will Make Playoffs