12.7% is the change from 488 to 550
Calculation steps:
[( 550 - 488 ) ÷ 488] x 100 = 12.7%
Formula
Percentage change = [(550 - 488) / 488] x 100
Subtract the new number by the original number
550 - 488 = 62
62 ÷ 488 = 0.12704918032786885
0.12704918032786885 x 100 = 12.7%