-37.08% is the change from 863 to 543
Calculation steps:
[( 543 - 863 ) ÷ 863] x 100 = -37.08%
Formula
Percentage change = [(543 - 863) / 863] x 100
Subtract the new number by the original number
543 - 863 = -320
-320 ÷ 863 = -0.3707995365005794
-0.3707995365005794 x 100 = -37.08%