-82.03% is the change from 829 to 149
Calculation steps:
[( 149 - 829 ) ÷ 829] x 100 = -82.03%
Formula
Percentage change = [(149 - 829) / 829] x 100
Subtract the new number by the original number
149 - 829 = -680
-680 ÷ 829 = -0.8202653799758746
-0.8202653799758746 x 100 = -82.03%