-12.51% is the change from 839 to 734
Calculation steps:
[( 734 - 839 ) ÷ 839] x 100 = -12.51%
Formula
Percentage change = [(734 - 839) / 839] x 100
Subtract the new number by the original number
734 - 839 = -105
-105 ÷ 839 = -0.12514898688915377
-0.12514898688915377 x 100 = -12.51%