-13.96% is the change from 838 to 721
Calculation steps:
[( 721 - 838 ) ÷ 838] x 100 = -13.96%
Formula
Percentage change = [(721 - 838) / 838] x 100
Subtract the new number by the original number
721 - 838 = -117
-117 ÷ 838 = -0.13961813842482101
-0.13961813842482101 x 100 = -13.96%