How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/20100.0*Chance in playoffs100.0*Average seed
Sea Eagles 16 Eels 20 In
Rabbitohs 18 Bulldogs 32 -0.1
-0.7
Sharks 40 Tigers 18 -0.0
-0.1
Storm 6 Knights 20 +0.2
Week of 8/27100.0*Chance in playoffs100.0*Average seed
Rabbitohs 12 Broncos 47 -0.5
Titans 28 Dragons 26 +0.3
Knights 18 Bulldogs 20 -0.2
Eels 28 Sharks 35 -0.2
Storm 14 Cowboys 6 -0.1
Week of 9/3100.0*Chance in playoffs100.0*Average seed
Broncos 8 Storm 15 -0.5
Roosters 30 Rabbitohs 0 -0.5
If winner is:HomeDrawAway
Bulldogs vs Warriors-0.1-0.1+0.2

What If

Chances based on how well the Rabbitohs finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-D-Lplayoffs12345678910111213141516SpoonCount
740-0-0In793No6,218,246,256
Total:In793No6,218,246,256
Games Above .500
Chance Will Make Playoffs