-70.57% is the change from 836 to 246
Calculation steps:
[( 246 - 836 ) ÷ 836] x 100 = -70.57%
Formula
Percentage change = [(246 - 836) / 836] x 100
Subtract the new number by the original number
246 - 836 = -590
-590 ÷ 836 = -0.7057416267942583
-0.7057416267942583 x 100 = -70.57%