What is the percentage increase/decrease

Solution for What is the percentage increase/decrease from 4500 to 9000:

(9000-4500):4500*100 =

(9000:4500-1)*100 =

200-100 = 100

Now we have: What is the percentage increase/decrease from 4500 to 9000 = 100

What is the percentage increase/decrease

Solution for What is the percentage increase/decrease from 9000 to 4500:

(4500-9000):9000*100 =

(4500:9000-1)*100 =

50-100 = -50

Now we have: What is the percentage increase/decrease from 9000 to 4500 = -50