How are these numbers calculated?

Big Games

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

Week of 8/23100.0*Chance in playoffs100.0*Average seed
Cowboys 26 Knights 6 +14.7
+1.1
Raiders 22 Sea Eagles 36 +4.3
+0.2
Titans 22 Warriors 24 +1.5
Panthers 28 Broncos 12 +1.1
Rabbitohs 28 Bulldogs 20 +0.2
Sharks 32 Roosters 22 -0.1
-0.1
Week of 8/30100.0*Chance in playoffs100.0*Average seed
Sharks 18 Cowboys 31 +24.6
+1.0
Roosters 22 Titans 30 -6.0
-0.2
Bulldogs 34 Panthers 14 +4.2
+0.1
Broncos 18 Knights 26 -1.8
Week of 9/5100.0*Chance in playoffs100.0*Average seed
Cowboys 50 Tigers 22 +39.7
+0.9
Storm 23 Titans 22 +10.6
+0.3
Dragons 19 Warriors 10 +9.9
+0.3
Knights 54 Eels 6 -0.5
Games Above .500
Chance Will Make Playoffs