-53.13% is the change from 687 to 322
Calculation steps:
[( 322 - 687 ) ÷ 687] x 100 = -53.13%
Formula
Percentage change = [(322 - 687) / 687] x 100
Subtract the new number by the original number
322 - 687 = -365
-365 ÷ 687 = -0.5312954876273653
-0.5312954876273653 x 100 = -53.13%