-44.96% is the change from 556 to 306
Calculation steps:
[( 306 - 556 ) ÷ 556] x 100 = -44.96%
Formula
Percentage change = [(306 - 556) / 556] x 100
Subtract the new number by the original number
306 - 556 = -250
-250 ÷ 556 = -0.44964028776978415
-0.44964028776978415 x 100 = -44.96%