-84.79% is the change from 848 to 129
Calculation steps:
[( 129 - 848 ) ÷ 848] x 100 = -84.79%
Formula
Percentage change = [(129 - 848) / 848] x 100
Subtract the new number by the original number
129 - 848 = -719
-719 ÷ 848 = -0.847877358490566
-0.847877358490566 x 100 = -84.79%