-74.6% is the change from 1000 to 254
Calculation steps:
[( 254 - 1000 ) ÷ 1000] x 100 = -74.6%
Formula
Percentage change = [(254 - 1000) / 1000] x 100
Subtract the new number by the original number
254 - 1000 = -746
-746 ÷ 1000 = -0.746
-0.746 x 100 = -74.6%