Table:
0
A
B
C
D
E
1
Year-ended 31 March 2019
Year-ended 31 March 2018
Year-ended 31 March 2017
2
tCO2e
tCO2e
tCO2e
3
Scope 1
Combustion of natural gas and operation of owned vehicles
220.9
320.0
251.8
4
Scope 2
Electricity consumption in offices
4,487.2
4,457.3
4,681.9
5
Scope 3
Business travel (air and car)
3,260.9
5,117.4
4,510.9
6
Total
7,969.0
9,894.7
9,444.6
7
Intensity ratio
8
tCO2e per $M of billings
10.5
12.9
14.9

Questions and formulas:
Question: What was the change in the intensity ratio in 2019 from 2018?
Formula: C8-D8
Formula2: C8-D8
Level: Calculation
Question: What was the percentage change in the intensity ratio in 2019 from 2018?
Formula: (C8-D8)/D8
Formula2: (C8-D8)/D8
Level: Calculation