-9.12% is the change from 548 to 498
Calculation steps:
[( 498 - 548 ) ÷ 548] x 100 = -9.12%
Formula
Percentage change = [(498 - 548) / 548] x 100
Subtract the new number by the original number
498 - 548 = -50
-50 ÷ 548 = -0.09124087591240876
-0.09124087591240876 x 100 = -9.12%