-3.57% is the change from 561 to 541
Calculation steps:
[( 541 - 561 ) ÷ 561] x 100 = -3.57%
Formula
Percentage change = [(541 - 561) / 561] x 100
Subtract the new number by the original number
541 - 561 = -20
-20 ÷ 561 = -0.035650623885918005
-0.035650623885918005 x 100 = -3.57%