-10.35% is the change from 715 to 641
Calculation steps:
[( 641 - 715 ) ÷ 715] x 100 = -10.35%
Formula
Percentage change = [(641 - 715) / 715] x 100
Subtract the new number by the original number
641 - 715 = -74
-74 ÷ 715 = -0.1034965034965035
-0.1034965034965035 x 100 = -10.35%