What is the proportion of Josh Silverman's beneficial ownership as a percentage of Larry N. Feinberg's beneficial ownership?
{"Garo H. Armen (1)": {"Amount of Beneficial Ownership": 4741323, "Percent of Beneficial Ownership": 36}, "Robert B. Stein (1)": {"Amount of Beneficial Ownership": 502500, "Percent of Beneficial Ownership": 4}, "Khalil Barrage (1)": {"Amount of Beneficial Ownership": 380000, "Percent of Beneficial Ownership": 3}, "Alexander K. Arrow (1)": {"Amount of Beneficial Ownership": 671799, "Percent of Beneficial Ownership": 6}, "Larry N. Feinberg 808 North St., Greenwich, CT 06831": {"Amount of Beneficial Ownership": 800000, "Percent of Beneficial Ownership": 7}, "Brian J. Corvese (1)": {"Amount of Beneficial Ownership": 145000, "Percent of Beneficial Ownership": 1}, "David A. Lovejoy": {"Amount of Beneficial Ownership": 668037, "Percent of Beneficial Ownership": 6}, "Josh Silverman (1)": {"Amount of Beneficial Ownership": 140000, "Percent of Beneficial Ownership": 1}, "Strategic Bio Partners LLC (10) 777 Third Avenue 30th Floor New York, NY 10017": {"Amount of Beneficial Ownership": 1895945, "Percent of Beneficial Ownership": 17}, "All directors and executive officers as a group (6 persons)": {"Amount of Beneficial Ownership": 6580622, "Percent of Beneficial Ownership": 44}}
josh_silverman_amount = df["Josh Silverman (1)"]["Amount of Beneficial Ownership"]
larry_feinberg_amount = df["Larry N. Feinberg 808 North St., Greenwich, CT 06831"]["Amount of Beneficial Ownership"]
answer = josh_silverman_amount / larry_feinberg_amount * 100.0