-11.62% is the change from 542 to 479
Calculation steps:
[( 479 - 542 ) ÷ 542] x 100 = -11.62%
Formula
Percentage change = [(479 - 542) / 542] x 100
Subtract the new number by the original number
479 - 542 = -63
-63 ÷ 542 = -0.11623616236162361
-0.11623616236162361 x 100 = -11.62%