Quick Answer
Raw Sugar does not use the same grams-to-cups value as every other ingredient. Using a practical US cup reference, 200 grams of raw sugar is about 1 cup.
That means 100 grams of raw sugar is about 0.5 cups, while 200 grams is about 1 cups.
Raw sugar has larger crystals and a similar cup weight to granulated sugar, though slight packing differences can occur.