-5.55% is the change from 541 to 511
Calculation steps:
[( 511 - 541 ) ÷ 541] x 100 = -5.55%
Formula
Percentage change = [(511 - 541) / 541] x 100
Subtract the new number by the original number
511 - 541 = -30
-30 ÷ 541 = -0.05545286506469501
-0.05545286506469501 x 100 = -5.55%