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 -21.6
-1.3
Storm 16 Sea Eagles 20 -5.8
-0.1
Dragons 2 Broncos 12 -3.7
-0.2
Panthers 40 Rabbitohs 10 -2.9
-0.1
Knights 32 Cowboys 26 -0.6
-0.0
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Titans 36 Tigers 24 -24.9
-1.1
Sea Eagles 18 Sharks 16 Out
-0.1
Cowboys 10 Broncos 16 -2.5
Eels 48 Panthers 6 -1.2
Storm 38 Roosters 4 -0.2
-0.1
Raiders 30 Knights 14 +0.1
Rabbitohs 41 Dragons 6 -0.1
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Tigers 34 Bulldogs 12 +1.0
Games Above .500
Chance Will Make Playoffs