12.24% is the change from 490 to 550
Calculation steps:
[( 550 - 490 ) ÷ 490] x 100 = 12.24%
Formula
Percentage change = [(550 - 490) / 490] x 100
Subtract the new number by the original number
550 - 490 = 60
60 ÷ 490 = 0.12244897959183673
0.12244897959183673 x 100 = 12.24%