-88.86% is the change from 709 to 79
Calculation steps:
[( 79 - 709 ) ÷ 709] x 100 = -88.86%
Formula
Percentage change = [(79 - 709) / 709] x 100
Subtract the new number by the original number
79 - 709 = -630
-630 ÷ 709 = -0.8885754583921015
-0.8885754583921015 x 100 = -88.86%