I don't. I was listing vegetarian protein sources they might have used. Foods are not just carbohydrates or protein or fat, they're a mix. Saying 78% of their

I don't. I was listing vegetarian protein sources they might have used. Foods are not just carbohydrates or protein or fat, they're a mix. Saying 78% of their calories came from carbohydrates just describes the macronutrients their diet provided. If you were to eat just beans (not recommended!), you might arrive at a ratio of about 80-90% carbs.