-97.56% is the change from 451 to 11
Calculation steps:
[( 11 - 451 ) ÷ 451] x 100 = -97.56%
Formula
Percentage change = [(11 - 451) / 451] x 100
Subtract the new number by the original number
11 - 451 = -440
-440 ÷ 451 = -0.975609756097561
-0.975609756097561 x 100 = -97.56%