How are these numbers calculated?

Big Games

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

Week of 8/30100.0*Promotion100.0*Relegation100.0*Average seed
Sandridge Rover 5 Hollybush 3 No
-3.5
+0.1
Exiles 6 Diamond Dogs 2 -10.3
+0.1
Racey Roystoners 0 Garibaldi 8 +20.3
-0.3
Week of 9/6100.0*Promotion100.0*Relegation100.0*Average seed
Diamond Dogs 3 Garibaldi 5 -12.6
+0.1
Racey Roystoners 0 Sandridge Rover 8 +12.1
-0.2
If winner is:HomeDrawAway
Week of 9/13100.0*Promotion100.0*Relegation100.0*Average seed
Hollybush vs Racey RoystonersYes+3.7-40.3
-0.0-0.0+0.4
Sandridge Rover vs Diamond Dogs-4.8+3.7+3.7

What If

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

100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromotion1234567RelegationCount
91-0-0NoNo1435655.9%848,786,768
80-1-0NoNo010099.94,948,067,805
70-0-1NoNo100Yes4,113,420,165
Total:NoNo049696.2%9,910,274,738
Games Above .500
Chance Will Win Championship