-50.78% is the change from 703 to 346
Calculation steps:
[( 346 - 703 ) ÷ 703] x 100 = -50.78%
Formula
Percentage change = [(346 - 703) / 703] x 100
Subtract the new number by the original number
346 - 703 = -357
-357 ÷ 703 = -0.5078236130867709
-0.5078236130867709 x 100 = -50.78%