Complex sentence: The acronym has come into widespread use as a symbol of the shift in global economic power away from the developed G7 economies towards the developing world, it was estimated that BRICS economies will overtake G7 economies by 2027.
Split into simpler sentences: The acronym has come into widespread use as a symbol of the shift in global economic power away from the developed G7 economies towards the developing world. It was estimated that BRICS economies will overtake G7 economies by 2027.