-25.03% is the change from 839 to 629
Calculation steps:
[( 629 - 839 ) ÷ 839] x 100 = -25.03%
Formula
Percentage change = [(629 - 839) / 839] x 100
Subtract the new number by the original number
629 - 839 = -210
-210 ÷ 839 = -0.25029797377830754
-0.25029797377830754 x 100 = -25.03%