What is the percentage increase/decrease

Solution for What is the percentage increase/decrease from 80 to 20:

(20-80):80*100 =

(20:80-1)*100 =

25-100 = -75

Now we have: What is the percentage increase/decrease from 80 to 20 = -75

What is the percentage increase/decrease

Solution for What is the percentage increase/decrease from 20 to 80:

(80-20):20*100 =

(80:20-1)*100 =

400-100 = 300

Now we have: What is the percentage increase/decrease from 20 to 80 = 300