-77.13% is the change from 691 to 158
Calculation steps:
[( 158 - 691 ) ÷ 691] x 100 = -77.13%
Formula
Percentage change = [(158 - 691) / 691] x 100
Subtract the new number by the original number
158 - 691 = -533
-533 ÷ 691 = -0.7713458755426917
-0.7713458755426917 x 100 = -77.13%