net profit margin

US /ˌnet ˈprɑːfɪt ˈmɑːrdʒɪn/
UK /ˌnet ˈprɑːfɪt ˈmɑːrdʒɪn/
"net profit margin" picture
1.

the percentage of revenue left after all expenses, including taxes, have been deducted from sales

:
The company's net profit margin improved significantly this quarter.
A high net profit margin indicates efficient management.