vue保留两位小数的百分数算法
this.allVolume = (((this.shipVolume - this.goods.declareWoodVolume) / this.goods.declareWoodVolume) * 100).toFixed(2) + '%'
结果

this.allVolume = (((this.shipVolume - this.goods.declareWoodVolume) / this.goods.declareWoodVolume) * 100).toFixed(2) + '%'
结果
