How did scrooge compare fezzwig to his older boss?

Scrooge compared Fezziwig to his older boss by emphasizing the contrast in their attitudes towards Christmas. Fezziwig celebrated and enjoyed the holiday season with generosity, joy, and a sense of community, which stood in stark contrast to Scrooge's older boss who was miserly, indifferent, and focused solely on profit. Fezziwig's festive spirit and kindness made a lasting impression on Scrooge, leading him to reflect on his own behavior and values.