9.58% is the change from 501 to 549
Calculation steps:
[( 549 - 501 ) ÷ 501] x 100 = 9.58%
Formula
Percentage change = [(549 - 501) / 501] x 100
Subtract the new number by the original number
549 - 501 = 48
48 ÷ 501 = 0.09580838323353294
0.09580838323353294 x 100 = 9.58%