How are these numbers calculated?

Big Games

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

Sunday, 5/14100.0*Chance in playoffs100.0*Average seed
Owens 2 Bosse 1 -16.4
-0.6
If winner is:HomeAway
Insabella vs Bosse-7.9+11.3
-0.4+0.6
Devils vs Laser+2.2-2.2
If winner is:HomeAway
Tuesday, 5/16100.0*Chance in playoffs100.0*Average seed
Bosse vs Devils+17.4-12.1
+0.8-0.5
Laser vs Owens+1.6-1.0
Owens vs Insabella-0.0+0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345Count
63-0In61393,286,902
42-123.5%24621414,117,685
21-2Out465420,355,068
00-3Out1009,806,995
Total:13.9%41019244447,566,650
Games Above .500
Chance Will Make Playoffs