-40.14% is the change from 715 to 428
Calculation steps:
[( 428 - 715 ) ÷ 715] x 100 = -40.14%
Formula
Percentage change = [(428 - 715) / 715] x 100
Subtract the new number by the original number
428 - 715 = -287
-287 ÷ 715 = -0.4013986013986014
-0.4013986013986014 x 100 = -40.14%