noun, noun or participle which takes 'suru'
net reduction; net decrease
Used in economic, statistical, or business contexts to describe a decrease after accounting for increases, often in contrast to 純増 (net increase).
今年度の予算は前年度比で純減となった。
This fiscal year's budget showed a net decrease compared to the previous year.
会員数が
The membership count turned into a net reduction.