90 calories x 4 servings = 360 calories
What is the total amount of calories that come from fat in the entire bag?
30 calories from fat x 4 servings = 120 calories
What is the percentage of calories that come from fat in the entire bag?
120 calories from fat ÷ 360 calories = 33%
How many calories per serving come from carbohydrates?
13 g Carbohydrates x 4 calories = 52 calories
How many calories per serving come from protein?
3 g Protein x 4 calories = 12 calories