Table:
provinces and territories
adult
youth

2015/2016
2016/2017
percent change in number of cases 2015/2016 to 2016/2017
2015/2016
2016/2017
percent change in number of cases 2015/2016 to 2016/2017

number
percent
number
percent

canada
351,061
357,642
2
31,718
29,172
-8

newfoundland and labrador
4,524
4,677
3
370
358
-3

prince edward island
1,224
1,193
-3
116
96
-17

nova scotia
10,864
10,230
-6
819
799
-2

new brunswick
6,640
6,541
-1
599
480
-20

quebec
69,625
76,145
9
5,833
5,685
-3

ontario
119,009
119,991
1
10,702
10,227
-4

manitoba
18,048
17,996
0
2,641
2,323
-12

saskatchewan
23,264
22,357
-4
3,494
3,087
-12

alberta
58,611
59,198
1
4,928
4,190
-15

british columbia
35,396
35,806
1
1,948
1,668
-14

yukon
999
863
-14
89
56
-37

northwest territories
1,439
1,200
-17
65
64
-2

nunavut
1,418
1,445
2
114
139
22

Statement: in youth courts, the volume of completed cases decreased 8% nationally between 2015/2016 and 2016/2017.
Question: in youth courts, what percentage points did the volume of completed cases change between 2015/2016 and 2016/2017?
Answer: [-8.0]