-34.15% is the change from 691 to 455
Calculation steps:
[( 455 - 691 ) ÷ 691] x 100 = -34.15%
Formula
Percentage change = [(455 - 691) / 691] x 100
Subtract the new number by the original number
455 - 691 = -236
-236 ÷ 691 = -0.341534008683068
-0.341534008683068 x 100 = -34.15%