同比怎么算
同比的計(jì)算公式為:同比=本期統(tǒng)計(jì)周期數(shù)據(jù)÷去年同期統(tǒng)計(jì)周期數(shù)據(jù)×100%;同比增長=(本期統(tǒng)計(jì)周期數(shù)據(jù)-去年同期統(tǒng)計(jì)周期數(shù)據(jù))÷去年同期統(tǒng)計(jì)周期數(shù)據(jù)×100%;環(huán)比增長=(本期統(tǒng)計(jì)周期數(shù)據(jù)-上期統(tǒng)計(jì)周期數(shù)據(jù))÷上期統(tǒng)計(jì)周期數(shù)據(jù)×100%。