-6.66% is the change from 601 to 561
Calculation steps:
[( 561 - 601 ) ÷ 601] x 100 = -6.66%
Formula
Percentage change = [(561 - 601) / 601] x 100
Subtract the new number by the original number
561 - 601 = -40
-40 ÷ 601 = -0.06655574043261231
-0.06655574043261231 x 100 = -6.66%