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 +21.1
+0.9
Warriors 12 Roosters 46 +6.5
+0.1
Panthers 10 Storm 24 -3.1
-0.1
Dragons 34 Titans 6 -3.0
-0.1
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Warriors 42 Titans 0 -6.0
-0.3
Cowboys 20 Sharks 19 -5.8
-0.1
Bulldogs 14 Rabbitohs 21 +2.6
+0.1
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Raiders 33 Eels 20 Out
-1.1
Storm 22 Broncos 12 +11.8
+0.2
Knights 40 Dragons 10 +0.5
Games Above .500
Chance Will Make Playoffs