-73.95% is the change from 691 to 180
Calculation steps:
[( 180 - 691 ) ÷ 691] x 100 = -73.95%
Formula
Percentage change = [(180 - 691) / 691] x 100
Subtract the new number by the original number
180 - 691 = -511
-511 ÷ 691 = -0.7395079594790159
-0.7395079594790159 x 100 = -73.95%