How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/9100.0*Average seed
Lippincott 149.4 Salsberry 111.8 -0.1
Purvis 81.4 McNichols 87.3 -0.1
If winner is:HomeAway
Week of 11/16100.0*Average seed
Salsberry vs Metheny+0.3-0.3
McNichols vs Barnett-0.1+0.1
Vanzant vs Smith+0.1-0.1
M Crouch vs Purvis-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
102-0In1006,433,281
91-1In8712112,847,618
80-2In26492236,437,041
Total:In75186125,717,940
Games Above .500
Chance Will Make Playoffs