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 -0.1
Dragons 34 Titans 6 +0.1
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Warriors 42 Titans 0 +0.2
Week of 9/4100.0*Chance in playoffs100.0*Average seed
Knights 40 Dragons 10 +0.7
Tigers 26 Sharks 10 -0.3
Titans 19 Bulldogs 18 -0.2
Games Above .500
Chance Will Make Playoffs