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 +25.7
+1.0
Warriors 12 Roosters 46 +8.7
+0.2
Panthers 10 Storm 24 -4.4
-0.2
Dragons 34 Titans 6 -1.4
-0.0
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Warriors 42 Titans 0 -3.6
-0.1
Cowboys 20 Sharks 19 -2.9
-0.1
Broncos 30 Dragons 22 +2.2
+0.0
Bulldogs 14 Rabbitohs 21 +1.1
+0.1
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Raiders 33 Eels 20 Out
-1.4
Storm 22 Broncos 12 +14.3
+0.2
Knights 40 Dragons 10 +0.5
Games Above .500
Chance Will Make Playoffs