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 -14.6
-0.4
RS 10 HA 20 -11.3
-0.3
SPA 12 HA 15 +1.9
+0.1
BF 12 SPA 10 +1.4
If winner is:HomeTieAway
Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS vs OS+9.8-0.2-9.8
+0.3+0.0-0.3
HA vs OS+0.4-2.8-0.3
+0.1-0.1-0.1

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
83-0-054.5%54461,567,070
72-0-139.540574246,432
62-1-09.61051394,679,148
1-0-23.64514513,028
51-1-11.013069490,872
0-0-3Out2575243
41-2-0Out4964,675,402
0-1-2Out29813,033
2-3Out1001,811,912*
Total:10.4%10276313,497,140

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs