-88.39% is the change from 715 to 83
Calculation steps:
[( 83 - 715 ) ÷ 715] x 100 = -88.39%
Formula
Percentage change = [(83 - 715) / 715] x 100
Subtract the new number by the original number
83 - 715 = -632
-632 ÷ 715 = -0.8839160839160839
-0.8839160839160839 x 100 = -88.39%