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.
[-98.858, 210.154, -0.667, 236.801, -94.699, 186.055, 56.765, -46.591, -66.818, 145.51]