-88.53% is the change from 715 to 82
Calculation steps:
[( 82 - 715 ) ÷ 715] x 100 = -88.53%
Formula
Percentage change = [(82 - 715) / 715] x 100
Subtract the new number by the original number
82 - 715 = -633
-633 ÷ 715 = -0.8853146853146853
-0.8853146853146853 x 100 = -88.53%