According to CCSS, students in grade 7 should be able to use their understanding of ratios and proportionality to solve a wide variety of percent problems, including those involving discounts, interest, taxes, tips, and percent increase or decrease.
This 10 page resource of worksheets (with teacher answer sheet included) will assess that ability and is completely aligned with
Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.
Also includes a banking vocabulary worksheet.
If you need more resources for ratio and proportionality, please check out my Ratio and Proportion Unit Plan