Tips
1. Do not power up your Pokemon before evolving.
2. Pokemon movesets change during evolution
3. Pokemon with 2 evolution get more CP per evolution
4. The higher the starting CP the more CP you'll receive for evolving a Pokemon.
https://docs.google.com/spreadsheets/d/1XrU33l2odu_JEn3sj5chqx_19mbfxEeTYS0C74t8u64/edit?usp=sharing
Please leave your Pokemon evolution stats as a response here or on the Youtube comment.