problem: percent calculation example 2
example: Christmas sales were $ 4 200,- this year and last year they were only $ 3 800,-
question: What was the percent increase?
answer: percent calculation example 2
given: the part = $ 4 200,- , the base value = $ 3 800,-
wanted: rate
formula:
rate = part : base value * 100
rate = 4 200 : 3 800 * 100
rate = 110.53% – 100% = 10.53 %
answer: The percent increase was 10.53%