analyze the transformation of the protagonist in both, comparing and contrasting the two.
Focus on these questions: What kind of transformation do the characters in your stories experience? How do their transformations compare and contrast?
You don’t have to cover similarities and differences between the two characters with equal weight. If the similarities are more interesting, focus on those. If the differences are more interesting focus on those. Or you can cover both. Let the stories guide you as you figure out which you will focus on.