-33.92% is the change from 687 to 454
Calculation steps:
[( 454 - 687 ) ÷ 687] x 100 = -33.92%
Formula
Percentage change = [(454 - 687) / 687] x 100
Subtract the new number by the original number
454 - 687 = -233
-233 ÷ 687 = -0.33915574963609896
-0.33915574963609896 x 100 = -33.92%