-2.98% is the change from 839 to 814
Calculation steps:
[( 814 - 839 ) ÷ 839] x 100 = -2.98%
Formula
Percentage change = [(814 - 839) / 839] x 100
Subtract the new number by the original number
814 - 839 = -25
-25 ÷ 839 = -0.029797377830750895
-0.029797377830750895 x 100 = -2.98%