There are 10 grams of fat 30 grams of carbohydrate and 4 grams of protein in the dessert. What percentage of calories comes from fat

Amount/total x 100

First of all, you find the total amount of grams in the dessert

In this case you want to find the % of calories coming from fat.

So you would divide the number of grams of fat by the total amount of grams in the dessert

And then you would multiply the answer by 100.