-9.29% is the change from 549 to 498
Calculation steps:
[( 498 - 549 ) ÷ 549] x 100 = -9.29%
Formula
Percentage change = [(498 - 549) / 549] x 100
Subtract the new number by the original number
498 - 549 = -51
-51 ÷ 549 = -0.09289617486338798
-0.09289617486338798 x 100 = -9.29%