How are these numbers calculated?

Big Games

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

Week of 9/5100.0*Chance in playoffs100.0*Average seed
City Stars 1 Impact 2 +0.0
+0.3
Miami FC 1 Rhinos 2 In
-0.2
Islanders 2 Rhinos 0 +0.1
Impact 1 Whitecaps 0 +0.5
Week of 9/12100.0*Chance in playoffs100.0*Average seed
Rhinos 0 Miami FC 0 +0.3
Impact 1 Thunder 1 -0.2
Rhinos 0 Battery 0 +0.2
RailHawks 2 Impact 0 -0.1
Week of 9/19None
Points
Chance Will Make Playoffs