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 -24.9
-0.6
Thorns 1 Dash 0 -11.4
-0.1
Breakers 3 Flash 4 -0.6
-0.1
Week of 8/9100.0*Chance in playoffs100.0*Average seed
Breakers 2 Thorns 0 +22.3
+0.2
Stars 2 Kansas 1 +17.7
+0.4
Reign 1 Spirit 1 -0.6
-0.0
Dash 1 Sky Blue 3 -0.1
Week of 8/16100.0*Chance in playoffs100.0*Average seed
Thorns 1 Reign 0 Out
-0.8
Stars 3 Flash 3 -9.1
-0.3
Spirit 0 Sky Blue 1 -1.5
+0.2
Points
Chance Will Make Playoffs