-50% is the change from 706 to 353
Calculation steps:
[( 353 - 706 ) ÷ 706] x 100 = -50%
Formula
Percentage change = [(353 - 706) / 706] x 100
Subtract the new number by the original number
353 - 706 = -353
-353 ÷ 706 = -0.5
-0.5 x 100 = -50%
Example