As reported by Times, 15 this kind of discrepancy is due to the fact that «the percentage is a sum of cocoa liquor, cocoa powder and cocoa butter — and cocoa butter does not contain flavanols.» (articles.mercola.com)
Someone's got to look at that and hold people accountable for that kind of discrepancy. (suffolktimes.timesreview.com)
That kind of discrepancy is where these systems hope to find their sweet spot. (scientificamerican.com)