-56.36% is the change from 715 to 312
Calculation steps:
[( 312 - 715 ) ÷ 715] x 100 = -56.36%
Formula
Percentage change = [(312 - 715) / 715] x 100
Subtract the new number by the original number
312 - 715 = -403
-403 ÷ 715 = -0.5636363636363636
-0.5636363636363636 x 100 = -56.36%