How are these numbers calculated?

Big Games

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

Week of 8/18100.0*Average seed
South Sydney 12 Cronulla 6 +0.2
Manly 18 Melbourne 38 +0.0
If winner is:HomeHome OTTieAway OTAway
Week of 8/25100.0*Average seed
Melbourne vs Brisbane+0.1+0.1-0.0-0.2-0.2
Cronulla vs Sydney-0.0-0.0+0.0+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 412345678910111213141516SpoonCount
102-104InYes100No6,125,353,979*
1010-1-1InYes8317No20,987,674
1000-2-0InYes1387No582,424,251
Total:InYes928No6,728,765,904

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs