How are these numbers calculated?

Big Games

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

Saturday, 4/1100.0*Average seed
BF 12 SPA 10 +0.2
SPA 15 RS 5 -0.0
RS 10 HA 20 -0.0
If winner is:HomeTieAway
Monday, 4/3100.0*Average seed
HA vs OS-0.0+0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
184-0-0In54466,685,355
173-0-1In6941,253,590
163-1-0In19920,981,938
2-0-2In19976,548
152-1-1In01002,066,102
1-0-3In01001,923
142-2-0In01007,777,943
1-1-2In010067,059
0-0-4In10018
131-2-1In100488,182*
121-3-0In1000995,863
0-2-2In10007,487
110-3-1In99130,750
100-4-0In99158,662
Total:In991040,491,420

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs