-44.74% is the change from 561 to 310
Calculation steps:
[( 310 - 561 ) ÷ 561] x 100 = -44.74%
Formula
Percentage change = [(310 - 561) / 561] x 100
Subtract the new number by the original number
310 - 561 = -251
-251 ÷ 561 = -0.4474153297682709
-0.4474153297682709 x 100 = -44.74%