| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | police-reported youth crime severity indexes, canada, 2007 to 2017 |  |  |  |  |  |  |
| 3 | year | total youth crime severity index |  | youth violent crime severity index |  | youth non-violent crime severity index |  |
| 4 |  | index | percent change from previous year | index | percent change from previous year | index | percent change from previous year |
| 5 | 2007 | 101.5 | 1 | 102.1 | 2 | 101.0 | 1 |
| 6 | 2008 | 95.7 | -6 | 95.7 | -6 | 95.6 | -5 |
| 7 | 2009 | 95.6 | 0 | 96.7 | 1 | 94.7 | -1 |
| 8 | 2010 | 90.0 | -6 | 93.2 | -4 | 87.6 | -8 |
| 9 | 2011 | 81.7 | -9 | 87.4 | -6 | 77.2 | -12 |
| 10 | 2012 | 77.3 | -5 | 82.2 | -6 | 73.5 | -5 |
| 11 | 2013 | 66.2 | -14 | 71.3 | -13 | 62.3 | -15 |
| 12 | 2014 | 61.0 | -8 | 65.3 | -8 | 57.8 | -7 |
| 13 | 2015 | 61.3 | 0 | 67.4 | 3 | 56.7 | -2 |
| 14 | 2016r | 61.2 | 0 | 72.5 | 8 | 52.9 | -7 |
| 15 | 2017 | 63.3 | 3 | 81.2 | 12 | 50.6 | -4 |
| 16 | percent change 2007 to 2017 | -38 | .. | -20 | .. | -50 | .. |

Question: what was the percent change in the youth violent csi from previous year in 2017?
Answer: 12

Question: what was the percent change in the youth non-violent csi from previous year in 2017?
Answer: -4