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 +21.1
+1.3
Dragons 2 Broncos 12 -3.9
-0.2
Panthers 40 Rabbitohs 10 -2.1
-0.1
Tigers 18 Eels 26 -1.2
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Sea Eagles 18 Sharks 16 In
+1.1
Titans 36 Tigers 24 +5.2
+0.2
Cowboys 10 Broncos 16 -1.2
-0.1
Eels 48 Panthers 6 -0.5
Storm 38 Roosters 4 -0.3
-0.2
Raiders 30 Knights 14 +0.2
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Sea Eagles 38 Titans 4 +0.6
Dragons 37 Eels 0 +0.3
Warriors 0 Storm 30 -0.2
Games Above .500
Chance Will Make Playoffs