The calorie contrast between a bowl of snail powder and two sweet potatoes is 74 1 calorie: 680 calories. Query based on food calorie information. Sweet potato powder is a high-calorie food. 100g sweet potato powder has about 340 calories. Sweet potato is rich in dietary fiber and various minerals, such as calcium, iron, phosphorus, magnesium, protein, amino acids and carbohydrates. Every100g of snail powder contains 247 calories, and the calorie of a bowl of snail powder is 74 1 calorie.