-35.51% is the change from 842 to 543
Calculation steps:
[( 543 - 842 ) ÷ 842] x 100 = -35.51%
Formula
Percentage change = [(543 - 842) / 842] x 100
Subtract the new number by the original number
543 - 842 = -299
-299 ÷ 842 = -0.35510688836104515
-0.35510688836104515 x 100 = -35.51%