The price of an item changed form $140 to $100. Then later the price increase again from $100 to $140. Which of the two changes was larger in percentage in term and how much percent?

Answer 1

a. 100/140 = 0.714 = 71.4 %.
Change = 71.4 - 100 = -28.6 % = 28.6% decrease.

b. 140/100 = 1.40 = 140%.
Change = 140-100 = 40% increase.
= The largest change.