-76.41% is the change from 691 to 163
Calculation steps:
[( 163 - 691 ) ÷ 691] x 100 = -76.41%
Formula
Percentage change = [(163 - 691) / 691] x 100
Subtract the new number by the original number
163 - 691 = -528
-528 ÷ 691 = -0.76410998552822
-0.76410998552822 x 100 = -76.41%