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
Adelaide 21 GWS 26 -20.9
+4.1
-0.7
Brisbane 14 Collingwood 43 +3.2
+0.1
Geelong 20 North Melbourne 66 +2.0
-0.5
+0.1
St Kilda 42 Richmond 3 -4.1
+0.1
West Coast 8 Gold Coast 33 -0.1
If winner is:HomeTieAway
Week of 3/20100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Gold Coast vs AdelaideOut-5.0+9.4
+5.9NoNo
-0.7-0.1+0.7
Richmond vs Brisbane+4.7+3.8-4.8
+5.9NoNo
-0.0+0.1-0.0
GWS vs Geelong-3.0-3.0+3.0
-0.5+0.5+0.5
+0.1-0.1-0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-Tplayoffs1234567SpoonCount
162-0-037.4%533585No7,810,474,915
141-0-110.61145378No156,819,964
121-1-0Out135136No15,609,692,199
0-0-2Out115237No787,123
100-1-1Out2575No156,797,173
80-2-0Out11652323.5%7,810,465,854
Total:9.3%1821293465.8%31,545,037,228
Games Above .500
Chance Will Make Playoffs