-83.29% is the change from 838 to 140
Calculation steps:
[( 140 - 838 ) ÷ 838] x 100 = -83.29%
Formula
Percentage change = [(140 - 838) / 838] x 100
Subtract the new number by the original number
140 - 838 = -698
-698 ÷ 838 = -0.8329355608591885
-0.8329355608591885 x 100 = -83.29%