How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 4/1100.0*Chance in playoffs100.0*Average seed
SPA 15 RS 5 -6.2
-0.1
RS 10 HA 20 -2.0
-0.0
BF 12 SPA 10 +0.1
SPA 12 HA 15 +0.1
If winner is:HomeTieAway
Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS vs OS+10.9+4.9-7.8
+0.4+0.2-0.3
HA vs OS+0.1-1.8-0.3
+0.0-0.1-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
83-0-089.0%8911574,448
72-0-185.986140237,777
62-1-033.4336527,359,595
1-0-229.83067323,643
51-1-116.11669151,313,762
0-0-3Out7624747
41-2-0Out188217,648,696
0-1-2Out69453,639
2-3Out10013,279,113*
Total:8.4%8227040,491,420

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs