Complex sentence: On 8 March 2016, it was announced that due to operational reasons, the final two rounds of the season would switch dates, with the event at Jerez becoming the penultimate round and the Circuit de Barcelona-Catalunya hosting the final round.
Split into simpler sentences: On 8 March 2016, it was announced that due to operational reasons, the final two rounds of the season would switch dates. The event at Jerez will become the penultimate round with the Circuit de Barcelona-Catalunya hosting the final round.