-15.73% is the change from 839 to 707
Calculation steps:
[( 707 - 839 ) ÷ 839] x 100 = -15.73%
Formula
Percentage change = [(707 - 839) / 839] x 100
Subtract the new number by the original number
707 - 839 = -132
-132 ÷ 839 = -0.1573301549463647
-0.1573301549463647 x 100 = -15.73%