-50.49% is the change from 709 to 351
Calculation steps:
[( 351 - 709 ) ÷ 709] x 100 = -50.49%
Formula
Percentage change = [(351 - 709) / 709] x 100
Subtract the new number by the original number
351 - 709 = -358
-358 ÷ 709 = -0.5049365303244006
-0.5049365303244006 x 100 = -50.49%