-21.23% is the change from 683 to 538
Calculation steps:
[( 538 - 683 ) ÷ 683] x 100 = -21.23%
Formula
Percentage change = [(538 - 683) / 683] x 100
Subtract the new number by the original number
538 - 683 = -145
-145 ÷ 683 = -0.212298682284041
-0.212298682284041 x 100 = -21.23%