Trust me when I say that I have done extensive math on this subject when I wanted to be sure that I was taking in 400 calories in a meal and the old scoop was 112 mg which times 2 was 500 calories...so here is my findings.
Old Scoop == 112 mg per 250 kcal, which is equal to .46 cups of powder
so 2 scoops was 224 mg, 500 kcal and .92 cups of powder
so in order for me to ensure that I had exactly 400 kcal/serving I needed .736 cups of powder, which was 179.2 mg
Therefore if 2 of the new scoops == 400 kcal they must be 89.6 grams of powder or .368 cups.
I did not get a new scoop however, I just use a 1/4 cup scoop and use 3 of them and that is close enough to .736 for me
Hope this helps, I am totally OCD when it comes to this.
EDIT: It was just brought to my attention by a coworker (who also uses Soylent) that my weight numbers are horribly wrong. It seems I was reading that old metal scooper wrong, it says 112 mL.....NOT 112 mg like I had originally thought. The scoop numbers are accurate though, and if you are measuring using a beaker or a graduated cylinder, then the mL numbers are accurate too.