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 +0.8
+0.1
If winner is:HomeAway
Insabella vs Bosse+14.8-21.3
+0.5-0.8
Devils vs Laser-4.1+4.1
-0.1+0.1
If winner is:HomeAway
Tuesday, 5/16100.0*Chance in playoffs100.0*Average seed
Owens vs Insabella-22.8+37.3
-0.6+1.0
Bosse vs Devils+6.1-4.3
+0.1-0.1
Laser vs Owens-4.6+2.8
-0.1+0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345Count
63-0In85155,345,404
42-178.0%17612217,723,217
21-2Out1974718,431,934
00-3Out10906,066,095
Total:40.3%162415301447,566,650
Games Above .500
Chance Will Make Playoffs