What, no one read the article (me neither)?
They say that it is close to 0%. They say IF cracked on 1st week, it is "about 20%". But because most gaes take a long time to crack, almost no revenue is lost:
'The median Denuvo-protected games lose almost no sales to piracy, Volckmann suggests, because the protection "more often than not" goes uncracked in that initial 12-week window.'

Two down, three trillion to go.

I wish there was some company that had the technology and data to detect these automatically!