In the picture below, you see where Mitosis 1 starts with a Diploid (sn = 4) and finishes with 2 haploid (n = 2) In people (2n = 46) who have 23 sets of chromosomes is diminished significantly toward the end of Meiosis 1 (n = 23).
I hope this helped ^_^
~Renee (*side note, I copied this from my notes in my notebook and googled the picture in case anyone had questions.)