Answer:
$195 is 88.63% of $220 so there is a 88.63% increase.
Explanation:
To find the percent increase, subtract the current with the previous price, $415-$220 to get $195.
$195/$220 is .88636363...
.88636363... is about 88.63%
$195 is 88.63% of $220 so there is a 88.63% increase.