12.47% is the change from 489 to 550
Calculation steps:
[( 550 - 489 ) ÷ 489] x 100 = 12.47%
Formula
Percentage change = [(550 - 489) / 489] x 100
Subtract the new number by the original number
550 - 489 = 61
61 ÷ 489 = 0.12474437627811862
0.12474437627811862 x 100 = 12.47%