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 In
-0.1
Eels 22 Sea Eagles 12 +0.1
Panthers 10 Storm 24 -1.0
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Sea Eagles 26 Panthers 25 -0.6
Bulldogs 14 Rabbitohs 21 -0.1
Cowboys 20 Sharks 19 -0.0
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Panthers 22 Warriors 6 +0.7
Cowboys 30 Sea Eagles 16 -0.2
Storm 22 Broncos 12 -0.1
Titans 19 Bulldogs 18 +0.1
Games Above .500
Chance Will Make Playoffs