I can't find a single site that gives a good view... found this, but it only shows pure home and away since 2003.
https://www.teamrankings.com/nfl/tre...003&sc=is_away
Denver is 6th overall as the away team @ 60-54 or 52.6%
Denver is 7th overall as the home team @ 82-39 or 67.8%
Since 1990, there's this -
https://www.sportingcharts.com/artic...-nfl-team.aspx