-50.91% is the change from 715 to 351
Calculation steps:
[( 351 - 715 ) ÷ 715] x 100 = -50.91%
Formula
Percentage change = [(351 - 715) / 715] x 100
Subtract the new number by the original number
351 - 715 = -364
-364 ÷ 715 = -0.509090909090909
-0.509090909090909 x 100 = -50.91%