12.5% is the change from 488 to 549
Calculation steps:
[( 549 - 488 ) ÷ 488] x 100 = 12.5%
Formula
Percentage change = [(549 - 488) / 488] x 100
Subtract the new number by the original number
549 - 488 = 61
61 ÷ 488 = 0.125
0.125 x 100 = 12.5%
Example