How are these numbers calculated?

Big Games

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

Wednesday100.0*Chance in playoffs100.0*Average seed
hartford 65 new hampshire 56 Out
-0.1
umbc 57 stony brook 64 -0.3
umass 89 maine 79 -0.0
Saturday100.0*Chance in playoffs100.0*Average seed
umbc 83 umass 75 +0.0
stony brook 60 vermont 69 +0.0
If winner is:HomeAway
Tuesday100.0*Chance in playoffs100.0*Average seed
new hampshire vs umass+0.3-0.5

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
71-0Out396172,598,141
60-1Out613938,002,065
Total:Out266114110,600,206
Games Above .500
Chance Will Make Playoffs