-70.68% is the change from 839 to 246
Calculation steps:
[( 246 - 839 ) ÷ 839] x 100 = -70.68%
Formula
Percentage change = [(246 - 839) / 839] x 100
Subtract the new number by the original number
246 - 839 = -593
-593 ÷ 839 = -0.7067938021454112
-0.7067938021454112 x 100 = -70.68%