How are these numbers calculated?

Big Games

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

Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS 12 OS 17 +18.0
+0.4
HA 22 OS 20 -9.3
-0.2
RS 13 HA 30 +4.1
+0.1
If winner is:HomeTieAway
Tuesday, 4/4100.0*Chance in playoffs100.0*Average seed
SPA vs RS+3.2+1.3-3.2
+0.1+0.0-0.1
BF vs HA-0.6-0.5+0.6

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
103-0-0100.0%4366102,832,760
92-0-197.1018793446,478
82-1-071.804682808,468,182
1-0-280.83781923,657
71-1-152.0052462891,013
0-0-366.316634407
61-2-017.501754288,465,362
0-1-213.714592823,316
50-2-14.244650446,295
40-3-00.004962,834,078
Total:46.4%0640312224,431,548
Games Above .500
Chance Will Make Playoffs