-28.3% is the change from 1000 to 717
Calculation steps:
[( 717 - 1000 ) ÷ 1000] x 100 = -28.3%
Formula
Percentage change = [(717 - 1000) / 1000] x 100
Subtract the new number by the original number
717 - 1000 = -283
-283 ÷ 1000 = -0.283
-0.283 x 100 = -28.3%