I need help in describing a switching analysis graph. What do these numbers mean? How to read it? Thanks.

Absolute Volume in to 15.931,9 66,9 1.135,3 -46,6 17.087,5 Change abs.: 1.155,6 01.01.2019 - 31.12.2019 New / Lost Category Buyers Increased / Decreased Category Buying Switching between Items 01.01.2020 - 31.12.2020 Net Switching Losses To 289 Affinity Net Switching Gains From 242 Affinity Buko -123 113 Aldi 131 91 Lidl -73 97 Almette 48 109 All other brands -44 91 Rest 35 109 All Other Private Labels -28 91 Exquisa 22 139 Bresso -21 106 Miree 20 91 Boursin 7 100 -2