-82.73% is the change from 834 to 144
Calculation steps:
[( 144 - 834 ) ÷ 834] x 100 = -82.73%
Formula
Percentage change = [(144 - 834) / 834] x 100
Subtract the new number by the original number
144 - 834 = -690
-690 ÷ 834 = -0.8273381294964028
-0.8273381294964028 x 100 = -82.73%