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.

[-16.961, 139.314, 51.902, 131.804, 110.593, 158.191, 60.298, 64.3, -77.648, -64.966]
[-0.03   0.25   0.093  0.237  0.199  0.284  0.108  0.115 -0.139 -0.117]