A number is increased by 20% and then decreased by 20%. What is the net change?
Show answer & explanation
Correct answer: C
Explanation
Let the number = 100
After a 20% increase = 100 × 120/100
= 120
Now, after a 20% decrease = 120 × 80/100
= 96
Net change = 100 - 96
= A decrease of 4%.