-47.51% is the change from 543 to 285
Calculation steps:
[( 285 - 543 ) ÷ 543] x 100 = -47.51%
Formula
Percentage change = [(285 - 543) / 543] x 100
Subtract the new number by the original number
285 - 543 = -258
-258 ÷ 543 = -0.47513812154696133
-0.47513812154696133 x 100 = -47.51%