-61.1% is the change from 1000 to 389
Calculation steps:
[( 389 - 1000 ) ÷ 1000] x 100 = -61.1%
Formula
Percentage change = [(389 - 1000) / 1000] x 100
Subtract the new number by the original number
389 - 1000 = -611
-611 ÷ 1000 = -0.611
-0.611 x 100 = -61.1%