-33.77% is the change from 687 to 455
Calculation steps:
[( 455 - 687 ) ÷ 687] x 100 = -33.77%
Formula
Percentage change = [(455 - 687) / 687] x 100
Subtract the new number by the original number
455 - 687 = -232
-232 ÷ 687 = -0.33770014556040756
-0.33770014556040756 x 100 = -33.77%