Table:
0
A
B
C
1
Year Ended December 31,
2
2019
2018
3
Sales
$788,948
$718,892
4
Gross profit
315,652
365,607
5
Operating expenses
261,264
194,054
6
Operating income from continuing operations
54,388
171,553
7
Other income (expense), net
12,806
823
8
Income from continuing operations before income taxes
67,194
172,376
9
Provision for income taxes
10,699
25,227
10
Income from continuing operations, net of income taxes
$ 56,495
$ 147,149

Questions and formulas:
Question: What was the percentage change in gross profit between 2018 and 2019?
Formula: (B4-C4)/C4
Formula2: (B4-C4)/C4
Level: Calculation