How are these numbers calculated?

Big Games

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

Week of 8/22100.0*Chance in playoffs100.0*Average seed
Warriors 12 Roosters 46 +2.2
-0.0
Eels 22 Sea Eagles 12 -1.2
-0.1
Panthers 10 Storm 24 -1.0
-0.1
Dragons 34 Titans 6 -0.4
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Bulldogs 14 Rabbitohs 21 -5.7
-1.1
Warriors 42 Titans 0 -1.2
-0.0
Cowboys 20 Sharks 19 -0.6
-0.1
Broncos 30 Dragons 22 +0.5
Sea Eagles 26 Panthers 25 +0.0
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Storm 22 Broncos 12 +4.6
-0.1
Raiders 33 Eels 20 In
Titans 19 Bulldogs 18 -0.4
Cowboys 30 Sea Eagles 16 -0.3
Panthers 22 Warriors 6 +0.3
Games Above .500
Chance Will Make Playoffs