-45.65% is the change from 563 to 306
Calculation steps:
[( 306 - 563 ) ÷ 563] x 100 = -45.65%
Formula
Percentage change = [(306 - 563) / 563] x 100
Subtract the new number by the original number
306 - 563 = -257
-257 ÷ 563 = -0.4564831261101243
-0.4564831261101243 x 100 = -45.65%