What is the change in Term loans - interest payments from Fiscal Year 2021 to 2020?
{"Term loans - principal payments": {"2020": 42838, "2021": 7838, "2022": 7838, "Total": 58514}, "Term loans - interest payments(1)": {"2020": 777, "2021": 155, "2022": 47, "Total": 979}, "Total": {"2020": 43615, "2021": 7993, "2022": 7885, "Total": 59493}}
term_loan_interest_2021 = df["Term loans - interest payments(1)"]["2021"]
term_loan_interest_2020 = df["Term loans - interest payments(1)"]["2020"]
answer = term_loan_interest_2021 - term_loan_interest_2020