-8.18% is the change from 611 to 561
Calculation steps:
[( 561 - 611 ) ÷ 611] x 100 = -8.18%
Formula
Percentage change = [(561 - 611) / 611] x 100
Subtract the new number by the original number
561 - 611 = -50
-50 ÷ 611 = -0.08183306055646482
-0.08183306055646482 x 100 = -8.18%