Table:
0
A
B
C
D
1
($ in thousands)
2019
% Change 2018 to 2019
2018
2
Services
$59,545
(8)%
$64,476
3
Software and other
3,788
(25)%
5,073
4
Total revenue 
$63,333
(9)%
$69,549
5

Questions and formulas:
Question: What was the change in services between 2018 and 2019?
Formula: B2 - D2 
Formula2: B2 - D2 
Level: Calculation
Question: What was the change in total revenue between 2018 and 2019?
Formula: B4 - D4 
Formula2: B4 - D4 
Level: Calculation