18.09% is the change from 409 to 483
Calculation steps:
[( 483 - 409 ) ÷ 409] x 100 = 18.09%
Formula
Percentage change = [(483 - 409) / 409] x 100
Subtract the new number by the original number
483 - 409 = 74
74 ÷ 409 = 0.18092909535452323
0.18092909535452323 x 100 = 18.09%