-81.83% is the change from 710 to 129
Calculation steps:
[( 129 - 710 ) ÷ 710] x 100 = -81.83%
Formula
Percentage change = [(129 - 710) / 710] x 100
Subtract the new number by the original number
129 - 710 = -581
-581 ÷ 710 = -0.8183098591549296
-0.8183098591549296 x 100 = -81.83%