How are these numbers calculated?

Big Games

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

Thursday, 1/1100.0*Chance in playoffs100.0*Average seed
RYU 5 BG 4 -9.7
-0.5
If winner is:HomeAway
Friday, 1/2100.0*Chance in playoffs100.0*Average seed
BG vs OTD+3.8-3.8
+0.4-0.4

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
1010-0In06484612,211
99-196.6%15813094,523
88-270.21692810423,746
77-325.0255321101,129,473
66-42.1224512111,976,736
55-50.0012255222,368,483
44-6Out0231671,974,028
33-7Out06941,128,338
22-8Out0100423,265
0-1Out100107,133*
Total:7.5%0007131925369,637,936

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs