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.

Example Input: [157.917, 14.403]
Example Output: [0.916 0.084]

Example Input: [-65.101, 50.909, 218.069]
Example Output: [-0.319  0.25   1.07 ]

Example Input: [197.209, -46.092, 130.948, 231.371, 22.922, 97.877, -32.454]
Example Output:
[ 0.328 -0.077  0.218  0.384  0.038  0.163 -0.054]