-66.71% is the change from 691 to 230
Calculation steps:
[( 230 - 691 ) ÷ 691] x 100 = -66.71%
Formula
Percentage change = [(230 - 691) / 691] x 100
Subtract the new number by the original number
230 - 691 = -461
-461 ÷ 691 = -0.6671490593342981
-0.6671490593342981 x 100 = -66.71%