-9.65% is the change from 839 to 758
Calculation steps:
[( 758 - 839 ) ÷ 839] x 100 = -9.65%
Formula
Percentage change = [(758 - 839) / 839] x 100
Subtract the new number by the original number
758 - 839 = -81
-81 ÷ 839 = -0.09654350417163289
-0.09654350417163289 x 100 = -9.65%