-61.4% is the change from 1000 to 386
Calculation steps:
[( 386 - 1000 ) ÷ 1000] x 100 = -61.4%
Formula
Percentage change = [(386 - 1000) / 1000] x 100
Subtract the new number by the original number
386 - 1000 = -614
-614 ÷ 1000 = -0.614
-0.614 x 100 = -61.4%