-84.23% is the change from 691 to 109
Calculation steps:
[( 109 - 691 ) ÷ 691] x 100 = -84.23%
Formula
Percentage change = [(109 - 691) / 691] x 100
Subtract the new number by the original number
109 - 691 = -582
-582 ÷ 691 = -0.8422575976845152
-0.8422575976845152 x 100 = -84.23%