-1.26% is the change from 555 to 548
Calculation steps:
[( 548 - 555 ) ÷ 555] x 100 = -1.26%
Formula
Percentage change = [(548 - 555) / 555] x 100
Subtract the new number by the original number
548 - 555 = -7
-7 ÷ 555 = -0.012612612612612612
-0.012612612612612612 x 100 = -1.26%