-71.2% is the change from 1000 to 288
Calculation steps:
[( 288 - 1000 ) ÷ 1000] x 100 = -71.2%
Formula
Percentage change = [(288 - 1000) / 1000] x 100
Subtract the new number by the original number
288 - 1000 = -712
-712 ÷ 1000 = -0.712
-0.712 x 100 = -71.2%