-89.37% is the change from 715 to 76
Calculation steps:
[( 76 - 715 ) ÷ 715] x 100 = -89.37%
Formula
Percentage change = [(76 - 715) / 715] x 100
Subtract the new number by the original number
76 - 715 = -639
-639 ÷ 715 = -0.8937062937062937
-0.8937062937062937 x 100 = -89.37%