Table:
0
A
B
C
D
1
2019
2018
2017
2
(in thousands, except per share amounts)
3
Net income for basic and diluted net income per share
$467,468
$451,779
$257,692
4
Weighted average common shares-basic
170,425
187,672
198,069
5
Effect of dilutive potential common shares:
6
Incremental shares from assumed conversion of convertible notes (1)
4,909
2,749
1,298
7
Convertible note hedge warrant shares (2)
2,698
485
112
8
Restricted stock units
1,236
1,385
1,800
9
Stock options
178
278
335
10
Employee stock purchase rights
13
36
27
11
Dilutive potential common shares
9,034
4,933
3,572
12
Weighted average common shares-diluted
179,459
192,605
201,641
13
Net income per common share-basic
$2.74
$2.41
$1.30
14
Net income per common share-diluted
$2.60
$2.35
$1.28

Questions and formulas:
Question: What was the change in Net income per common share-diluted in 2019 from 2018?
Formula: B14-C14
Formula2: B14-C14
Level: Calculation
Question: What was the percentage change in Net income per common share-diluted in 2019 from 2018?
Formula: (B14-C14)/C14
Formula2: (B14-C14)/C14
Level: Calculation