What was the percentage change in All other fees in 2019 from 2018?
{"Audit fees (1)": {"2019": 3454348, "2018": 3589147}, "Tax fees (2)": {"2019": 546618, "2018": 931017}, "All other fees (3)": {"2019": 1895, "2018": 1895}, "Total": {"2019": 4002861, "2018": 4522059}}
all_other_fees_2019 = df["All other fees (3)"]["2019"]
all_other_fees_2018 = df["All other fees (3)"]["2018"]
answer = (all_other_fees_2019 - all_other_fees_2018) / all_other_fees_2018 * 100.0