753 points?

You can see a full accounting of you points here: https://www.simplerockets.com/Account/Points?d=0.

If you're asking how you wound up with a number of points ending in three event though points come in denominations of 25, 15, and 2, that is simple math: 15+2+2+2+2 = 23 for example. Also when a successor to one of your crafts gets upvotes you get a fraction of the normal points. More info: https://www.simplerockets.com/about/points