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.

[247.741, 40.33, 216.019, -25.774, 249.216, -94.018, 16.521, 129.832]
[ 0.318  0.052  0.277 -0.033  0.32  -0.121  0.021  0.166]