Increase:
Purpose: To the find the increased percentage of a value
Formula:
Example:
34 increase by 2%
Step 1.
100% + 2% = 102%
Step 2.
So the 34 increased by 2% is 34.68.
Decrease:
Purpose: To the the decreased percentage of a value
Formula:
Example:
50 decrease by 20%
Step 1:
100% - 20% = 80%
Step 2:
So 50 decrease by 20% is 40.