-34.1% is the change from 824 to 543
Calculation steps:
[( 543 - 824 ) ÷ 824] x 100 = -34.1%
Formula
Percentage change = [(543 - 824) / 824] x 100
Subtract the new number by the original number
543 - 824 = -281
-281 ÷ 824 = -0.34101941747572817
-0.34101941747572817 x 100 = -34.1%