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
Eels 22 Sea Eagles 12 -6.4
-0.2
Warriors 12 Roosters 46 +2.6
Panthers 10 Storm 24 -1.3
-0.2
Dragons 34 Titans 6 -0.3
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Cowboys 20 Sharks 19 +5.4
+0.4
Warriors 42 Titans 0 -0.6
Bulldogs 14 Rabbitohs 21 +0.2
+0.2
Broncos 30 Dragons 22 +0.1
Sea Eagles 26 Panthers 25 +0.0
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Storm 22 Broncos 12 -0.2
Raiders 33 Eels 20 In
Cowboys 30 Sea Eagles 16 In
+1.1
Panthers 22 Warriors 6 -0.3
Games Above .500
Chance Will Make Playoffs