In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
[-13.917, -32.062, 117.003, 92.05, 149.974, -62.432, -35.13, 67.186, 91.658, -75.797]