-92.82% is the change from 543 to 39
Calculation steps:
[( 39 - 543 ) ÷ 543] x 100 = -92.82%
Formula
Percentage change = [(39 - 543) / 543] x 100
Subtract the new number by the original number
39 - 543 = -504
-504 ÷ 543 = -0.9281767955801105
-0.9281767955801105 x 100 = -92.82%