What was the percentage change in the total contractual obligations due between 2020 and 2021-2022?
{"Long-term debt, including interest": {"Total": 111586, "2020": 2807, "2021-2022": 5876, "2023-2024": 102903, "2025-beyond": "$\u2014"}, "Operating lease payments": {"Total": 37610, "2020": 4467, "2021-2022": 8764, "2023-2024": 7813, "2025-beyond": 16566}, "Retirement obligations": {"Total": 6447, "2020": 757, "2021-2022": 1429, "2023-2024": 1328, "2025-beyond": 2933}, "Total": {"Total": 155643, "2020": 8031, "2021-2022": 16069, "2023-2024": 112044, "2025-beyond": 19499}}
total_20212022 = df["Total"]["2021-2022"]
total_2020 = df["Total"]["2020"]
answer = ( total_20212022 - total_2020 ) / total_2020 * 100.0