-50.49% is the change from 717 to 355
Calculation steps:
[( 355 - 717 ) ÷ 717] x 100 = -50.49%
Formula
Percentage change = [(355 - 717) / 717] x 100
Subtract the new number by the original number
355 - 717 = -362
-362 ÷ 717 = -0.504881450488145
-0.504881450488145 x 100 = -50.49%