percentage point

1.The margin of error was plus or minus three percentage points.

误差幅度大约为三百分点。

2.Buying the highest yielder of any currency pair produced an average return of 26 basis points (hundredths of a percentage point) per month.

购买任何高收益货币组合会获得平均每月26点（百分比）的回报。

3.In the two years since the housing bust started in earnest, the contraction in homebuilding has taken around one percentage point a year of GDP growth.

房市泡沫破裂正以来的两年中，住房建筑业的衰退使GDP年增长率每年大约减少一百分点。