-3.47% is the change from 548 to 529
Calculation steps:
[( 529 - 548 ) ÷ 548] x 100 = -3.47%
Formula
Percentage change = [(529 - 548) / 548] x 100
Subtract the new number by the original number
529 - 548 = -19
-19 ÷ 548 = -0.03467153284671533
-0.03467153284671533 x 100 = -3.47%