-79.6% is the change from 1000 to 204
Calculation steps:
[( 204 - 1000 ) ÷ 1000] x 100 = -79.6%
Formula
Percentage change = [(204 - 1000) / 1000] x 100
Subtract the new number by the original number
204 - 1000 = -796
-796 ÷ 1000 = -0.796
-0.796 x 100 = -79.6%