It's a good, and gentle, introduction to the biochemistry and thermodynamics of digestion, and the history of calorie estimates.
https://www.amazon.com/Why-Calories-Dont-Count-Science/dp/16...
Adam Ragusea interviewed him on his YouTube channel.
Quoting from his book: "If you focus on health, your weight will take care of itself".
However, you can make the calculations based on the numbers I gave in my other comment - which are taken from Why Calories Don't Count from Dr Giles Yeo.