-34.73% is the change from 691 to 451
Calculation steps:
[( 451 - 691 ) ÷ 691] x 100 = -34.73%
Formula
Percentage change = [(451 - 691) / 691] x 100
Subtract the new number by the original number
451 - 691 = -240
-240 ÷ 691 = -0.3473227206946454
-0.3473227206946454 x 100 = -34.73%