Complex sentence: In February 2012 AKB48 announced another ¥580 million donation to the Japanese Red Cross and it was reported that, to date, the group had raised a total of over ¥1.25 billion for earthquake and tsunami relief.
Split into simpler sentences: In February 2012, the group announced another donation to the Japanese Red Cross, of over 580 million yen. It was reported that to date AKB48 had raised a total of over 1.25 billion yen for the earthquake and tsunami relief.