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.

[-76.018, 219.374, 107.758, -44.389, 73.761, -71.882, 110.969, -81.656, -3.499]
[-0.324  0.936  0.46  -0.189  0.315 -0.307  0.473 -0.348 -0.015]