"net number" is a correct and usable phrase in written English and is commonly used in the business world.
For example, "We need to track the net number of new customers each month."
Last week I hoped the net number of chefs on my flatscreen cooking window would decrease.
Officials announced a decline of 3.5m in the net number of working-age citizens that year.
"But at the same time, that's a net number, and lots of jobs have been lost, too".
The remaining 2.1 million or 44% of the increase is accounted for by the net number of assumed migrants.
The net number of companies setting up there each year is the highest among Germany's 16 Länder (states).
The problem is others are being added, so the net number of stalled projects is not going down.
Even if the net number having noise inflicted on them shrinks, there will still be some whose noise levels rise.
Mr. Riggio said that in the next two years, "the net number of stores will not change much".
As home secretary, Ms. May was criticized for failing to meet a Conservative pledge to sharply reduce the net number of immigrants to Britain.
Theresa May, Conservative home secretary, wants to keep the net number of migrants coming to the UK to 100,000 or fewer.
A report by PricewaterhouseCoopers and the Local Data Company showed the net number of store closures was 1,779 in 2012 – up from 174 in 2011.
