-46.88% is the change from 576 to 306
Calculation steps:
[( 306 - 576 ) ÷ 576] x 100 = -46.88%
Formula
Percentage change = [(306 - 576) / 576] x 100
Subtract the new number by the original number
306 - 576 = -270
-270 ÷ 576 = -0.46875
-0.46875 x 100 = -46.88%