-82.49% is the change from 834 to 146
Calculation steps:
[( 146 - 834 ) ÷ 834] x 100 = -82.49%
Formula
Percentage change = [(146 - 834) / 834] x 100
Subtract the new number by the original number
146 - 834 = -688
-688 ÷ 834 = -0.8249400479616307
-0.8249400479616307 x 100 = -82.49%