-81.96% is the change from 715 to 129
Calculation steps:
[( 129 - 715 ) ÷ 715] x 100 = -81.96%
Formula
Percentage change = [(129 - 715) / 715] x 100
Subtract the new number by the original number
129 - 715 = -586
-586 ÷ 715 = -0.8195804195804196
-0.8195804195804196 x 100 = -81.96%