-85.96% is the change from 691 to 97
Calculation steps:
[( 97 - 691 ) ÷ 691] x 100 = -85.96%
Formula
Percentage change = [(97 - 691) / 691] x 100
Subtract the new number by the original number
97 - 691 = -594
-594 ÷ 691 = -0.8596237337192475
-0.8596237337192475 x 100 = -85.96%
Example