-58.5% is the change from 1000 to 415
Calculation steps:
[( 415 - 1000 ) ÷ 1000] x 100 = -58.5%
Formula
Percentage change = [(415 - 1000) / 1000] x 100
Subtract the new number by the original number
415 - 1000 = -585
-585 ÷ 1000 = -0.585
-0.585 x 100 = -58.5%