-9.46% is the change from 687 to 622
Calculation steps:
[( 622 - 687 ) ÷ 687] x 100 = -9.46%
Formula
Percentage change = [(622 - 687) / 687] x 100
Subtract the new number by the original number
622 - 687 = -65
-65 ÷ 687 = -0.09461426491994178
-0.09461426491994178 x 100 = -9.46%