-55.83% is the change from 566 to 250
Calculation steps:
[( 250 - 566 ) ÷ 566] x 100 = -55.83%
Formula
Percentage change = [(250 - 566) / 566] x 100
Subtract the new number by the original number
250 - 566 = -316
-316 ÷ 566 = -0.558303886925795
-0.558303886925795 x 100 = -55.83%