**Goal:**

* 1 - show the change of every month compare with last YTD in the table
form in only selected year
* 2 - show the change in scorecard

**Data :**

```
ind YEAR    MON Figures
1   2020    JAN 12321
2   2020    FEB 344
3   2020    MAR 5000
4   2020    APR 325
5   2020    MAY 747
1   2019    JAN 54091
2   2019    FEB 349
3   2019    MAR 789
4   2019    APR 901
5   2019    MAY 2356

```

**Desire Result:**

* YTD column is accumulating Figures within the year
* Change column is showing
the change compare to last month YTD

Usage - Default filter as newest year = 2020 , user can select the specific single year to view the change in scorecard

```
ind YEAR    MON Figures YTD     Change
1   2020    JAN 12321   12321   0
2   2020    FEB 344     12665   344
3   2020    MAR 5000    17665   5000
4   2020    APR 325     17990   325
5   2020    MAY 747     18737   747
1   2019    JAN 54091   54091   0
2   2019    FEB 349     54440   349
3   2019    MAR 789     55229   789
4   2019    APR 901     56130   901
5   2019    MAY 2356    58486   2356

```

How can i achieve this ?