a store reported total sales of $ 460 million for february of this year . if the total sales for the same month last year was $ 320 million , approximately what was the percent increase in sales ?
n0 = 460.0
n1 = 320.0
t0 = n0 - n1
t1 = t0 / n1
answer = t1 * 100.0
print(answer)