-71.48% is the change from 838 to 239
Calculation steps:
[( 239 - 838 ) ÷ 838] x 100 = -71.48%
Formula
Percentage change = [(239 - 838) / 838] x 100
Subtract the new number by the original number
239 - 838 = -599
-599 ÷ 838 = -0.7147971360381862
-0.7147971360381862 x 100 = -71.48%