-30.65% is the change from 783 to 543
Calculation steps:
[( 543 - 783 ) ÷ 783] x 100 = -30.65%
Formula
Percentage change = [(543 - 783) / 783] x 100
Subtract the new number by the original number
543 - 783 = -240
-240 ÷ 783 = -0.3065134099616858
-0.3065134099616858 x 100 = -30.65%