How are these numbers calculated?

Big Games

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

Week of 4/9100.0*Chance in playoffs100.0*Average seed
Red 3 Black 3 -0.3
+0.4
If winner is:HomeTieAway
Wine vs GreyInIn-12.3
+0.5-1.8-2.0
Orange vs WhiteInIn-1.6
Royal Blue vs Powder Blue-0.1+0.5+0.6

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs12345678910Count
61-000In386210,916,477
50-001In6941,396,703
40-01086.0%185141,670,661
Total:98.3%2949120213,983,841
Points
Chance Will Make Playoffs