-14.06% is the change from 839 to 721
Calculation steps:
[( 721 - 839 ) ÷ 839] x 100 = -14.06%
Formula
Percentage change = [(721 - 839) / 839] x 100
Subtract the new number by the original number
721 - 839 = -118
-118 ÷ 839 = -0.14064362336114422
-0.14064362336114422 x 100 = -14.06%