Quote from the linked article:
"Michigan, Nebraska, Utah, Penn State and Georgia were at capacity during the 2021 season. Meanwhile, Purdue’s 8-win breakout brought Boilermakers fans into Ross-Ade Stadium with 98.4 percent of possible seats sold, a dramatic increase from 2016’s 60.2 percent."
98.4% of capacity
"Michigan, Nebraska, Utah, Penn State and Georgia were at capacity during the 2021 season. Meanwhile, Purdue’s 8-win breakout brought Boilermakers fans into Ross-Ade Stadium with 98.4 percent of possible seats sold, a dramatic increase from 2016’s 60.2 percent."
98.4% of capacity