How are these numbers calculated?

Big Games

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

Week of 3/13100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Melbourne 24 Carlton 40 Out
West Coast 8 Gold Coast 33 Out
+15.7
-0.2
Western Bulldogs 51 Fremantle 66 -2.7
+0.0
St Kilda 42 Richmond 3 +1.9
-0.1
If winner is:HomeTieAway
Week of 3/20100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Carlton vs West Coast+2.2-64.5-66.0
-0.0+0.8+0.8
North Melbourne vs Western Bulldogs-0.7+2.3+16.0
+0.0-0.0-0.2
Collingwood vs St Kilda-0.0+0.2+0.2

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-Tplayoffs1234567SpoonCount
122-0-0Out881200.1%468,963,041
101-0-1Out732600.295,341,380
81-1-0Out5761818.418,077,299,014
0-0-2Out802019.92,511,450
60-1-1Out792120.9904,833,573
40-2-0Out39797.481,042,201,450
Total:Out1178282.0%100,591,149,908
Games Above .500
Chance Will Make Playoffs