-45.73% is the change from 715 to 388
Calculation steps:
[( 388 - 715 ) ÷ 715] x 100 = -45.73%
Formula
Percentage change = [(388 - 715) / 715] x 100
Subtract the new number by the original number
388 - 715 = -327
-327 ÷ 715 = -0.45734265734265733
-0.45734265734265733 x 100 = -45.73%