前年同月比
ぜんねんどうげつひ
compared to the same month the previous year (e.g. in statistics, sales, electricity usage)
対前年比 is read as たいぜんねんひ (taizennenhi) and means relative change from last year.
たいぜんねんひ
taizennenhi
ぜんねんどうげつひ
compared to the same month the previous year (e.g. in statistics, sales, electricity usage)