How are these numbers calculated?

Big Games

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

Wednesday100.0*Average seed
umbc 57 stony brook 64 -0.1
hartford 65 new hampshire 56 -0.1
Saturday100.0*Average seed
umbc 83 umass 75 +0.1
albany 88 maine 76 -0.1
If winner is:HomeAway
Tuesday100.0*Average seed
hartford vs umbc-0.5+0.5

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
121-0In10020,575,888
110-1In10020,578,862
Total:In505041,154,750
Games Above .500
Chance Will Make Playoffs