-43.64% is the change from 566 to 319
Calculation steps:
[( 319 - 566 ) ÷ 566] x 100 = -43.64%
Formula
Percentage change = [(319 - 566) / 566] x 100
Subtract the new number by the original number
319 - 566 = -247
-247 ÷ 566 = -0.4363957597173145
-0.4363957597173145 x 100 = -43.64%