-30.68% is the change from 691 to 479
Calculation steps:
[( 479 - 691 ) ÷ 691] x 100 = -30.68%
Formula
Percentage change = [(479 - 691) / 691] x 100
Subtract the new number by the original number
479 - 691 = -212
-212 ÷ 691 = -0.3068017366136035
-0.3068017366136035 x 100 = -30.68%