-16.92% is the change from 839 to 697
Calculation steps:
[( 697 - 839 ) ÷ 839] x 100 = -16.92%
Formula
Percentage change = [(697 - 839) / 839] x 100
Subtract the new number by the original number
697 - 839 = -142
-142 ÷ 839 = -0.16924910607866508
-0.16924910607866508 x 100 = -16.92%