-5.72% is the change from 542 to 511
Calculation steps:
[( 511 - 542 ) ÷ 542] x 100 = -5.72%
Formula
Percentage change = [(511 - 542) / 542] x 100
Subtract the new number by the original number
511 - 542 = -31
-31 ÷ 542 = -0.05719557195571956
-0.05719557195571956 x 100 = -5.72%