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 +3.1
+0.0
RS 10 HA 20 +1.0
+0.0
If winner is:HomeTieAway
Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS vs OS-20.2-12.4+14.6
-0.4-0.2+0.3
HA vs OS-1.3+8.8+20.9
-0.0+0.2+0.4

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
125-0-0In109049,596
114-0-1In19929,700
104-1-0100.0%1000967,898
3-0-2In1007,733
93-1-199.91000471,439
2-0-3In100753
83-2-098.49827,022,992
2-1-298.598262,454
1-0-4In10039
72-2-192.993701,664,961
1-1-395.29553,117
0-0-5In1001
62-3-064.36435114,082,687
1-2-265.966331116,998
0-1-464.46434259
51-3-114.01474121,861,798
0-2-314.41460252,612
41-4-0Out524810,672,791
0-3-2Out128858,358
2-3Out1003,415,434*
Total:48.0%0048302240,491,420

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs