-5.71% is the change from 543 to 512
Calculation steps:
[( 512 - 543 ) ÷ 543] x 100 = -5.71%
Formula
Percentage change = [(512 - 543) / 543] x 100
Subtract the new number by the original number
512 - 543 = -31
-31 ÷ 543 = -0.0570902394106814
-0.0570902394106814 x 100 = -5.71%