-43.29% is the change from 566 to 321
Calculation steps:
[( 321 - 566 ) ÷ 566] x 100 = -43.29%
Formula
Percentage change = [(321 - 566) / 566] x 100
Subtract the new number by the original number
321 - 566 = -245
-245 ÷ 566 = -0.43286219081272087
-0.43286219081272087 x 100 = -43.29%