-74.38% is the change from 691 to 177
Calculation steps:
[( 177 - 691 ) ÷ 691] x 100 = -74.38%
Formula
Percentage change = [(177 - 691) / 691] x 100
Subtract the new number by the original number
177 - 691 = -514
-514 ÷ 691 = -0.743849493487699
-0.743849493487699 x 100 = -74.38%