-45.74% is the change from 564 to 306
Calculation steps:
[( 306 - 564 ) ÷ 564] x 100 = -45.74%
Formula
Percentage change = [(306 - 564) / 564] x 100
Subtract the new number by the original number
306 - 564 = -258
-258 ÷ 564 = -0.4574468085106383
-0.4574468085106383 x 100 = -45.74%