I was able to find it by going from the cnet article to to the Fed's press release, then to the report, then the 'downloads' button, then the PDF[0]. in it:

> Credit utilization rates (for revolving accounts). Computed as proportion of available credit in use (outstanding balance divided by credit limit), and for reasons discussed above are likely to overestimate actual credit utilization.

0: https://www.newyorkfed.org/medialibrary/interactives/househo...