members of a nature club participate in an official butterfly count every summer. in summer of 1996 members counted 225 monarch butterflies . in summer of 1997 members counted 234 monarch butterflies. from 1996 to 1997 what was the approximate percent of increase in the number of butterflies counted?

Answer 1

Divide the difference by the original number of butterflies. Multiply the decimal answer by 100 to get the percentage.