-9.23% is the change from 715 to 649
Calculation steps:
[( 649 - 715 ) ÷ 715] x 100 = -9.23%
Formula
Percentage change = [(649 - 715) / 715] x 100
Subtract the new number by the original number
649 - 715 = -66
-66 ÷ 715 = -0.09230769230769231
-0.09230769230769231 x 100 = -9.23%