-2.67% is the change from 561 to 546
Calculation steps:
[( 546 - 561 ) ÷ 561] x 100 = -2.67%
Formula
Percentage change = [(546 - 561) / 561] x 100
Subtract the new number by the original number
546 - 561 = -15
-15 ÷ 561 = -0.026737967914438502
-0.026737967914438502 x 100 = -2.67%