Is losing only 14 pounds going to make a difference on my appearance?

i weigh roughly around 220 and am 5"10 and recently started atkins. im going on vacation in 3 weeks and want to lose some of this extra baggage. i looked up online that in 3 weeks i can lose about 14 pounds on atkins and was wondering if this would make a difference on my appearance? any advice is appreciated thanks in advance.