-50.07% is the change from 703 to 351
Calculation steps:
[( 351 - 703 ) ÷ 703] x 100 = -50.07%
Formula
Percentage change = [(351 - 703) / 703] x 100
Subtract the new number by the original number
351 - 703 = -352
-352 ÷ 703 = -0.5007112375533428
-0.5007112375533428 x 100 = -50.07%