Answer:
You find percent of change
by finding the differences between the numbers given
and by setting up a fraction to find the change because percentages deals with fractions
Then you simplify ur fraction by multiplying by 100
Explanation:
e.g
find the percent of change from 20 to 80
find their differences
80-20= 60
set up a fraction
60/20
simplify your fraction by multiplying over 100
60/20*100
3*100=300%. answer