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.

[-84.51, 219.949, -25.325, -22.7, -91.866, -83.761, 163.008, 121.602, 97.101]
[-0.288  0.749 -0.086 -0.077 -0.313 -0.285  0.555  0.414  0.331]