I am working on a brimmed hat using the popcorn stitch. I’m pretty new to knitting and this is the most challenging project I have tried. I am working on shaping the crown and the instructions read:

Row 1(RS)- P1 [sl 1, p4tog, psso, p15] 8 times, p1 (130sts). Work 3 rows.

Row 5- P1 [sl1, p4tog, psso, p11] 8 times, p1 (98sts). Work 3 rows.

I did row 1 and had 130 stitches at the end, but how can I work 3 more rows when doing this reduces the number of stitches each time?

I appreciate the help!