For each food described, find the percent of total calories from fat. If necessary, round to the nearest tenth percent. See Example $2 .$
Unsweetened cocoa powder serving size of 1 tablespoon
$$\begin{array}{|l|c|}\hline & \text { Calories } \\\hline \text { Total } & 20 \\\hline \text { From fat } & 5 \\\hline\end{array}$$