-34.6% is the change from 1000 to 654
Calculation steps:
[( 654 - 1000 ) ÷ 1000] x 100 = -34.6%
Formula
Percentage change = [(654 - 1000) / 1000] x 100
Subtract the new number by the original number
654 - 1000 = -346
-346 ÷ 1000 = -0.346
-0.346 x 100 = -34.6%