I was on 1099 from 10/08/2018 until 01/18/2019 I earned $9,600 All website shows that I only have to pay around $560 but here it says $1,356. What do I do?

[DawnC0]

If the earnings are self-employment income (box 7), then you pay ordinary income tax AND Self-Employment tax on the net income.   If you have expenses related to this income, you can deduct those and lower the amount of self-employment taxes you owe.  The Self-Employment Tax