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
West Coast 8 Gold Coast 33 +10.9
No
+0.5
Brisbane 14 Collingwood 43 +3.6
+0.1
Geelong 20 North Melbourne 66 +1.0
-0.5
+0.1
Adelaide 21 GWS 26 -0.5
+0.0
St Kilda 42 Richmond 3 -6.0
+0.1
If winner is:HomeTieAway
Week of 3/20100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Gold Coast vs Adelaide+21.4-6.4-21.3
+0.8+0.1-0.8
Richmond vs Brisbane+11.0-9.7-10.9
+0.2-0.2-0.2
GWS vs Geelong+0.1+2.2-0.1
+0.1+0.1-0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-L-Tplayoffs1234567SpoonCount
182-0-077.2%186023No7,810,490,794
161-0-138.3533584No156,828,561
141-1-012.51252315No15,609,670,629
0-0-214.61554284No787,551
120-1-1Out224929No156,817,059
100-2-0Out2575No7,810,442,634
Total:25.5%421322221No31,545,037,228
Games Above .500
Chance Will Make Playoffs