-2.4% is the change from 542 to 529
Calculation steps:
[( 529 - 542 ) ÷ 542] x 100 = -2.4%
Formula
Percentage change = [(529 - 542) / 542] x 100
Subtract the new number by the original number
529 - 542 = -13
-13 ÷ 542 = -0.023985239852398525
-0.023985239852398525 x 100 = -2.4%