-9.08% is the change from 683 to 621
Calculation steps:
[( 621 - 683 ) ÷ 683] x 100 = -9.08%
Formula
Percentage change = [(621 - 683) / 683] x 100
Subtract the new number by the original number
621 - 683 = -62
-62 ÷ 683 = -0.09077598828696926
-0.09077598828696926 x 100 = -9.08%