-8.47% is the change from 543 to 497
Calculation steps:
[( 497 - 543 ) ÷ 543] x 100 = -8.47%
Formula
Percentage change = [(497 - 543) / 543] x 100
Subtract the new number by the original number
497 - 543 = -46
-46 ÷ 543 = -0.0847145488029466
-0.0847145488029466 x 100 = -8.47%