-54.69% is the change from 715 to 324
Calculation steps:
[( 324 - 715 ) ÷ 715] x 100 = -54.69%
Formula
Percentage change = [(324 - 715) / 715] x 100
Subtract the new number by the original number
324 - 715 = -391
-391 ÷ 715 = -0.5468531468531469
-0.5468531468531469 x 100 = -54.69%