-3.22% is the change from 683 to 661
Calculation steps:
[( 661 - 683 ) ÷ 683] x 100 = -3.22%
Formula
Percentage change = [(661 - 683) / 683] x 100
Subtract the new number by the original number
661 - 683 = -22
-22 ÷ 683 = -0.032210834553440704
-0.032210834553440704 x 100 = -3.22%