How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Saturday, 1/18100.0*Chance in playoffs100.0*Average seed
Bowie vs Suffolk-18.4+18.4
-0.6+0.6
If winner is:HomeAway
Sunday, 1/19100.0*Chance in playoffs100.0*Average seed
Suffolk vs Rebels+18.4-18.4
+0.6-0.6
Suffolk vs Philly+18.4-18.4
+0.6-0.6

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-WL-OTplayoffs12345Count
84-00-0In1004,864,333
63-01-096.9%5344319,277,182
42-02-025.41244924128,905,310
21-03-0Out3445319,272,615
00-04-0Out1004,854,510
Total:40.0%202020202077,173,950
Points
Chance Will Make Playoffs