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
St Kilda 42 Richmond 3 +1.2
-13.3
+0.4
Brisbane 14 Collingwood 43 -0.7
+0.2
-0.1
Western Bulldogs 51 Fremantle 66 +0.1
-5.3
+0.2
West Coast 8 Gold Coast 33 -4.5
+0.1
If winner is:HomeTieAway
Week of 3/20100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Collingwood vs St KildaOutOut+2.4
+8.5-3.2-8.5
-0.4-0.1+0.4
Fremantle vs Melbourne+2.4OutOut
+0.1-0.1-0.1
Carlton vs West Coast-6.6+5.5+6.5
+0.1-0.1-0.1
North Melbourne vs Western Bulldogs-4.1-2.2+4.1
+0.2+0.1-0.2

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-Tplayoffs1234567SpoonCount
162-0-09.8%104546No7,810,454,398
141-0-1Out100No156,832,854
121-1-0Out792011.0%15,609,648,420
0-0-2Out8119No786,518
100-1-1Out553876.6156,827,919
80-2-0Out18463636.27,810,487,119
Total:2.4%211562199.5%31,545,037,228
Games Above .500
Chance Will Make Playoffs