-15.49% is the change from 839 to 709
Calculation steps:
[( 709 - 839 ) ÷ 839] x 100 = -15.49%
Formula
Percentage change = [(709 - 839) / 839] x 100
Subtract the new number by the original number
709 - 839 = -130
-130 ÷ 839 = -0.15494636471990464
-0.15494636471990464 x 100 = -15.49%