-43.5% is the change from 1000 to 565
Calculation steps:
[( 565 - 1000 ) ÷ 1000] x 100 = -43.5%
Formula
Percentage change = [(565 - 1000) / 1000] x 100
Subtract the new number by the original number
565 - 1000 = -435
-435 ÷ 1000 = -0.435
-0.435 x 100 = -43.5%