-29.03% is the change from 999 to 709
Calculation steps:
[( 709 - 999 ) ÷ 999] x 100 = -29.03%
Formula
Percentage change = [(709 - 999) / 999] x 100
Subtract the new number by the original number
709 - 999 = -290
-290 ÷ 999 = -0.2902902902902903
-0.2902902902902903 x 100 = -29.03%