How are these numbers calculated?

Big Games

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

Week of 8/21100.0*Chance in playoffs100.0*Average seed
Storm 16 Sea Eagles 20 -0.2
-0.5
Dragons 2 Broncos 12 -0.1
Titans 20 Sharks 10 -0.0
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Storm 38 Roosters 4 In
+0.3
Titans 36 Tigers 24 +0.2
Cowboys 10 Broncos 16 -0.2
Raiders 30 Knights 14 +0.1
Sea Eagles 18 Sharks 16 -0.0
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Warriors 0 Storm 30 +0.4
Sea Eagles 38 Titans 4 -0.2
Games Above .500
Chance Will Make Playoffs