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
Knights 32 Cowboys 26 -21.0
-1.3
Dragons 2 Broncos 12 -3.5
-0.1
Storm 16 Sea Eagles 20 -2.6
-0.1
Panthers 40 Rabbitohs 10 -1.8
Tigers 18 Eels 26 -0.1
Warriors 34 Raiders 20 +0.1
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Cowboys 10 Broncos 16 Out
-0.8
Eels 48 Panthers 6 -0.1
Rabbitohs 41 Dragons 6 -0.3
Titans 36 Tigers 24 +0.1
Raiders 30 Knights 14 -0.1
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Sharks 24 Rabbitohs 26 -0.3
Tigers 34 Bulldogs 12 -0.2
Roosters 16 Cowboys 32 +0.1
Broncos 22 Raiders 10 +0.1
Games Above .500
Chance Will Make Playoffs