-79.74% is the change from 691 to 140
Calculation steps:
[( 140 - 691 ) ÷ 691] x 100 = -79.74%
Formula
Percentage change = [(140 - 691) / 691] x 100
Subtract the new number by the original number
140 - 691 = -551
-551 ÷ 691 = -0.7973950795947902
-0.7973950795947902 x 100 = -79.74%