-38.21% is the change from 691 to 427
Calculation steps:
[( 427 - 691 ) ÷ 691] x 100 = -38.21%
Formula
Percentage change = [(427 - 691) / 691] x 100
Subtract the new number by the original number
427 - 691 = -264
-264 ÷ 691 = -0.38205499276411
-0.38205499276411 x 100 = -38.21%