How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 4/26100.0*Chance in playoffs100.0*Promoted100.0*Average seed
West Van VI vs Brn Windies I-8.5+8.5
-5.4+5.4
-0.5+0.5
Ind-Can II vs WC Tamils IV+0.1-0.1
Windies III vs West Van VII+0.1-0.1
+0.2-0.2
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Brn Windies I vs Ind-Can II+9.0-9.0
+5.9-5.9
+0.6-0.6
Windies III vs West Van VI+0.1-0.1
+0.1-0.1
West Van VII vs WC Tamils IV+0.1-0.1

What If

Chances based on how well the Brn Windies I finish out the regular season.   Explain

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-LplayoffsPromoted123456789Count
68-72InYes1009,522*
6416-2InYes100015,700
6015-3InYes99184,639
5614-4In100.0%9460317,697
5213-5In98.9772210891,078
4812-6100.0%87.3404712101,926,581
4411-798.740.963543151003,303,002
4010-867.01.9022045285004,548,031
369-95.60.0005304418205,046,311
328-100.0No0116443354,544,698
287-11OutNo011349383,302,928
246-12OutNo0124751,927,109
205-13OutNo0693889,570
164-14OutNo0199318,218
123-15OutNo010084,987
0-8OutNo10025,415*
Total:36.1%16.3%89910111212141527,235,486

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs