-25.27% is the change from 839 to 627
Calculation steps:
[( 627 - 839 ) ÷ 839] x 100 = -25.27%
Formula
Percentage change = [(627 - 839) / 839] x 100
Subtract the new number by the original number
627 - 839 = -212
-212 ÷ 839 = -0.2526817640047676
-0.2526817640047676 x 100 = -25.27%