This is a really good guide to tournament scoring:
Wrestling tournaments are equal parts intensity, exhaustion management, and absolute chaos. It is difficult to tell exactly what is going on at a given moment in the first day and a half of the NCAA wrestling tournament. With 6 mats on the floor and multiple wrestlers in action, you are going to...
pistolsfiringblog.com
The only thing it doesn't mention: placement points are awarded live when each minimum placement is achieved -- not at the end when final placement is known.
For example: Penn State's team score already includes 12 pts per finalist, because they've already clinched 2nd. Each finals victory will earn the 4-pt differential (16 for 1st minus 12 for 2nd), plus applicable bonus.
It also includes 6th place points for Kerk, since he cannot finish below that. Those points were added when he won in the quarters, since reaching the semis clinches 6th place.
Hope this helps!