-85.52% is the change from 829 to 120
Calculation steps:
[( 120 - 829 ) ÷ 829] x 100 = -85.52%
Formula
Percentage change = [(120 - 829) / 829] x 100
Subtract the new number by the original number
120 - 829 = -709
-709 ÷ 829 = -0.8552472858866104
-0.8552472858866104 x 100 = -85.52%