-3.72% is the change from 564 to 543
Calculation steps:
[( 543 - 564 ) ÷ 564] x 100 = -3.72%
Formula
Percentage change = [(543 - 564) / 564] x 100
Subtract the new number by the original number
543 - 564 = -21
-21 ÷ 564 = -0.03723404255319149
-0.03723404255319149 x 100 = -3.72%