-3.31% is the change from 543 to 525
Calculation steps:
[( 525 - 543 ) ÷ 543] x 100 = -3.31%
Formula
Percentage change = [(525 - 543) / 543] x 100
Subtract the new number by the original number
525 - 543 = -18
-18 ÷ 543 = -0.03314917127071823
-0.03314917127071823 x 100 = -3.31%