-2.39% is the change from 543 to 530
Calculation steps:
[( 530 - 543 ) ÷ 543] x 100 = -2.39%
Formula
Percentage change = [(530 - 543) / 543] x 100
Subtract the new number by the original number
530 - 543 = -13
-13 ÷ 543 = -0.02394106813996317
-0.02394106813996317 x 100 = -2.39%