13.64% is the change from 484 to 550
Calculation steps:
[( 550 - 484 ) ÷ 484] x 100 = 13.64%
Formula
Percentage change = [(550 - 484) / 484] x 100
Subtract the new number by the original number
550 - 484 = 66
66 ÷ 484 = 0.13636363636363635
0.13636363636363635 x 100 = 13.64%