Complex sentence: From 1 December 2015 to 26 December 2015, Good Food was temporarily rebranded as Christmas Food; the campaign resumed from 26 November 2016 to 26 December 2016.
Split into simpler sentences: From 1 December 2015 to 26 December 2015, Good Food was temporarily rebranded as Christmas Food. This was repeated again from 26 November 2016 to 26 December 2016.