-24.82% is the change from 838 to 630
Calculation steps:
[( 630 - 838 ) ÷ 838] x 100 = -24.82%
Formula
Percentage change = [(630 - 838) / 838] x 100
Subtract the new number by the original number
630 - 838 = -208
-208 ÷ 838 = -0.24821002386634844
-0.24821002386634844 x 100 = -24.82%