-43.4% is the change from 1000 to 566
Calculation steps:
[( 566 - 1000 ) ÷ 1000] x 100 = -43.4%
Formula
Percentage change = [(566 - 1000) / 1000] x 100
Subtract the new number by the original number
566 - 1000 = -434
-434 ÷ 1000 = -0.434
-0.434 x 100 = -43.4%