-20.96% is the change from 687 to 543
Calculation steps:
[( 543 - 687 ) ÷ 687] x 100 = -20.96%
Formula
Percentage change = [(543 - 687) / 687] x 100
Subtract the new number by the original number
543 - 687 = -144
-144 ÷ 687 = -0.2096069868995633
-0.2096069868995633 x 100 = -20.96%