What was the percentage change in total receivables from 2018 to 2019?
{"Trade receivables": {"2018": 808, "2019": 9463}, "VAT receivable": {"2018": 1094, "2019": 637}, "Accrued income": {"2018": 9473, "2019": 8274}, "Insurance claims": {"2018": 1282, "2019": 1400}, "Other receivables": {"2018": 7587, "2019": 5126}, "Total": {"2018": 20244, "2019": 24900}}
total_2019 = df["Total"]["2019"]
total_2018 = df["Total"]["2018"]
answer = ( total_2019 - total_2018 ) / total_2018 * 100.0