-70.5% is the change from 834 to 246
Calculation steps:
[( 246 - 834 ) ÷ 834] x 100 = -70.5%
Formula
Percentage change = [(246 - 834) / 834] x 100
Subtract the new number by the original number
246 - 834 = -588
-588 ÷ 834 = -0.7050359712230215
-0.7050359712230215 x 100 = -70.5%