"1997年比上年增减(%)"的翻译：In 1997, increase or decrease over the previous year (%) 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

"In 1997 than in previous year (%)"

In 1997, increase or decrease over the previous year (%)

“in 1997 compared to the last year fluctuated (%)”

"1997 increase or decrease over the previous year ( % )"

In 1997, increase or decrease over the previous year (%)