-52.45% is the change from 715 to 340
Calculation steps:
[( 340 - 715 ) ÷ 715] x 100 = -52.45%
Formula
Percentage change = [(340 - 715) / 715] x 100
Subtract the new number by the original number
340 - 715 = -375
-375 ÷ 715 = -0.5244755244755245
-0.5244755244755245 x 100 = -52.45%