-1.28% is the change from 548 to 541
Calculation steps:
[( 541 - 548 ) ÷ 548] x 100 = -1.28%
Formula
Percentage change = [(541 - 548) / 548] x 100
Subtract the new number by the original number
541 - 548 = -7
-7 ÷ 548 = -0.012773722627737226
-0.012773722627737226 x 100 = -1.28%