Given:
New Value : 52%
Reference Value : 37%
a.) Absolute Change. For us to be able to determine the absolute change, the following formula will be used:
We get,
Therefore, the politician's support has increased by 15 percentage points.
b.) Relative Change. For us to be able to determine the relative change, the following formula will be used:
We get,
Therefore, the politician's support has increased by 40.5%.