18 0.18 X 100% = 18% of calories from fat

Dinner:

Hannaford Flatbread Pizza with Spinach and Feta

One serving (1/2 pizza, 160 g) is 340 calories, with 15 grams of fat. According to the nutrition facts, 23% of calories are derived from fat per serving. According to the formula:

15 grams of fat X 9 calories each = 243 fat calories

243 fat calories/340 total calories = 0.7147059

0.7147059 X 100% = 71.47059

Rounded to 71.5 = 71.5% of calories from fat

The method to calculate the percentage of fat in foods is done in a misleading way by the food industry. For Kashi GoLean Crunch, the percentage of fat is actually almost three times what the manufacturer claims,...

With the tomato-basil soup, 18% of calories are from fat, nearly four times the 5% claimed by the manufacturer. Finally, the pizza, at 71.5% has almost triple the percentage of fat compared to the 23% the manufacturer claims.
Most nutrition guides recommend that individuals get no more than 30% of their daily calories from fat. Because of the formula it uses, the food industry leads consumers to believe they are eating less fat than is actually the case. The food industry's agenda is obvious: when people believe a food is fat-free or low in fat, they are likely to choose it over another product and/or eat more of it. There is financial incentive for the food industry to continue calculating nutrition information with the…