yesterday your bus ride to school took 10 minutes. Today your bus ride took 12 minutes. What is the percent of change
The percent change (increase) is given by....
[ New Value - Old Value ] / [ Old Value ] x 100%
So we have
[12 - 10 ] / [ 10 ] X 100% =
[2 / 10] X 100%
1/5 X 100% = 100% / 5 =
20%