我正在尝试计算同一级别下每个分支的百分比贡献。 例如，我们在下面的输入表Amount和Branch J60和J90在层次结构表的同一L1 X900下，则贡献百分比为sum（J60）/ sum（J60 + J90）。 MQ0是X600下唯一的分支，因此百分比为200/200。
类似地，L0级别百分比J60，J90，MQ0在同一级别0分支M1200下，那么百分比将类似于J60 / J60 + J90 + MQ0
如何找到这个百分比贡献。
金额：
+--------+---------+-------+
| amount | branch | Level |
+--------+---------+-------+
| 1000 | J60 | L2 |
+--------+---------+-------+
| 200 | MQ0 | L2 |
+--------+---------+-------+
| 1500 | X600 | L1 |
+--------+---------+-------+
| 100 | J90 | L2 |
+--------+---------+-------+
| 1200 | X900 | L1 |
+--------+---------+-------+
| 2000 | M1200 | L0 |
+--------+---------+-------+
层次结构表：它具有分支代码的级别映射。
+---------+----------+-----------+
| level0 | level1 | level2 |
+---------+----------+-----------+
| M1200 | X900 | J60 |
+---------+----------+-----------+
| M1200 | X600 | MQ0 |
+---------+----------+-----------+
| M1200 | X900 | J90 |
+---------+----------+-----------+
预期的输出表：
+--------+---------+-------+--------------+--------------+
| amount | branch | Level | L1 Percent | L0 Percent |
+--------+---------+-------+--------------+--------------+
| 1000 | J60 | L2 | 1000/1100 | 1000/1300 |
+--------+---------+-------+--------------+--------------+
| 200 | MQ0 | L2 | 200/200 | 200/1300 |
+--------+---------+-------+--------------+--------------+
| 1500 | X600 | L1 | NA | 1500/1700 |
+--------+---------+-------+--------------+--------------+
| 100 | J90 | L2 | 100/1100 | 100/1300 |
+--------+---------+-------+--------------+--------------+
| 1200 | X900 | L1 | NA | 1200/1700 |
+--------+---------+-------+--------------+--------------+
| 2000 | M1200 | L0 | NA | NA |
+--------+---------+-------+--------------+--------------+