Percent increase on 438000 561000

So percent increase

therefor it went form 438000 to 561000 so 438000 = 100% and 561000 is x%

100 is to 438000 as is x is to 561000

100:438000=x:561000

convert fraction

100/438000=x/561000

mulitply both sides by 561000

438000x/100=561000

multiply both sides by 561000

56100000/438000=x

128.08 ... = x or aprox 128%

incerase is found by subtracting original from increased value

original=100%

increased value=128%

128-100=28

the answer is 28% increase