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
Tigers 18 Eels 26 +24.4
+1.3
Storm 16 Sea Eagles 20 -3.4
-0.1
Dragons 2 Broncos 12 -2.3
-0.2
Knights 32 Cowboys 26 -1.3
-0.1
Panthers 40 Rabbitohs 10 -0.7
-0.0
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Eels 48 Panthers 6 +29.9
+1.4
Titans 36 Tigers 24 +6.9
+0.1
Raiders 30 Knights 14 In
+0.2
Cowboys 10 Broncos 16 -3.7
-0.1
Sea Eagles 18 Sharks 16 -1.6
-0.3
Storm 38 Roosters 4 -1.0
-0.2
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Dragons 37 Eels 0 -1.0
Knights 35 Panthers 0 -0.3
Games Above .500
Chance Will Make Playoffs