noun, noun which may take the genitive case particle 'no'
month-over-month; compared to the previous month
Used in economic, financial, and statistical reports to compare a figure with that of the preceding month. Often appears as 前月比で or 前月比～%.
売上高は前月比5％増加した。
Sales increased by 5% compared to the previous month.
前月比で見ると、生産量は横ばいだった。
Looking at it on a month-over-month basis, production volume was flat.
前期比 compares with the previous quarter or fiscal period, whereas 前月比 is specifically month-to-month.
Compound of 前月 (previous month) and 比 (comparison, ratio).