-8.81% is the change from 545 to 497
Calculation steps:
[( 497 - 545 ) ÷ 545] x 100 = -8.81%
Formula
Percentage change = [(497 - 545) / 545] x 100
Subtract the new number by the original number
497 - 545 = -48
-48 ÷ 545 = -0.08807339449541285
-0.08807339449541285 x 100 = -8.81%