how to calculate percentage of carbs fat and protein?
['Carbs (four calories per gram): 1,150 divided by 4 equals 287.5 grams of carbs.', 'Protein (four calories per gram): 575 divided by 4 equals 143.75 grams of protein.', 'Fat (nine calories per gram): 575 divided by 9 equals 63.8 grams of fat.']