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*Chance in playoffs100.0*Top 4100.0*Average seed
Brisbane 20 Canterbury 10 +1.2
+3.3
+0.5
North Queensland 34 New Zealand 6 In
-1.6
-0.1
Canberra 28 Parramatta 18 -0.5
Penrith 40 Wests Tigers 10 -0.1
If winner is:HomeHome OTTieAway OTAway
Week of 8/25100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Melbourne vs Brisbane-4.1-4.0-1.8+9.4+12.9
-0.2-0.2+0.4+0.7+0.8
Canterbury vs North Queensland-1.4-0.9-0.2+1.7+2.3
+0.1+0.1+0.0-0.1-0.1
Gold Coast Titans vs Penrith+0.1+0.1+0.1-0.1-0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-TplayoffsTop 412345678910111213141516SpoonCount
942-0-0In21.2%21735No1,291,671,828
931-0-1In3.037819No36,319,273
921-1-0In0.10266212No4,368,012,036
0-0-2In0.00256411No182,544
910-1-1InNo116228No33,255,683
900-2-0InNo028648No999,324,540
Total:In4.2%43246181No6,728,765,904
Games Above .500
Chance Will Make Playoffs