-18.5% is the change from 838 to 683
Calculation steps:
[( 683 - 838 ) ÷ 838] x 100 = -18.5%
Formula
Percentage change = [(683 - 838) / 838] x 100
Subtract the new number by the original number
683 - 838 = -155
-155 ÷ 838 = -0.18496420047732698
-0.18496420047732698 x 100 = -18.5%