-21.08% is the change from 683 to 539
Calculation steps:
[( 539 - 683 ) ÷ 683] x 100 = -21.08%
Formula
Percentage change = [(539 - 683) / 683] x 100
Subtract the new number by the original number
539 - 683 = -144
-144 ÷ 683 = -0.2108345534407028
-0.2108345534407028 x 100 = -21.08%