-99% is the change from 703 to 7
Calculation steps:
[( 7 - 703 ) ÷ 703] x 100 = -99%
Formula
Percentage change = [(7 - 703) / 703] x 100
Subtract the new number by the original number
7 - 703 = -696
-696 ÷ 703 = -0.9900426742532006
-0.9900426742532006 x 100 = -99%