Question

FIND THE PERCENTAGE CHANGE, WHEN A NUMBER IS CHANGED FROM:

i) 80 to 100
ii) 100 to 80
iii) 6.25 to 7.50​

Answer 1

Answer:

1)original number=80

new no.= 100,

change =(100-80)=20

Hence,. percentage change (Increases)=25/80×100=25%

2) same procedure and answer is ,

percentage change (decreases)=20/100×100=20%

3) % change (increases)

=(7.50-6.25)=1.25

hence ,increase =1.25/6.25×100=20%