-92.08% is the change from 543 to 43
Calculation steps:
[( 43 - 543 ) ÷ 543] x 100 = -92.08%
Formula
Percentage change = [(43 - 543) / 543] x 100
Subtract the new number by the original number
43 - 543 = -500
-500 ÷ 543 = -0.9208103130755064
-0.9208103130755064 x 100 = -92.08%