What is the percentage change in all other fees incurred by the company between 2018 and 2019?
{"Audit fees (1)": {"2019 ($)": 1196000, "2018 ($)": 1257000}, "Audit-related fees (2)": {"2019 ($)": 0, "2018 ($)": 15000}, "Tax fees (3)": {"2019 ($)": 0, "2018 ($)": 0}, "All other fees (4)": {"2019 ($)": 2000, "2018 ($)": 2000}, "Total": {"2019 ($)": 1198000, "2018 ($)": 1274000}}
all_other_fees_2019 = df["All other fees (4)"]["2019 ($)"]
all_other_fees_2018 = df["All other fees (4)"]["2018 ($)"]
answer = (all_other_fees_2019 - all_other_fees_2018) / all_other_fees_2018 * 100.0