-88.29% is the change from 683 to 80
Calculation steps:
[( 80 - 683 ) ÷ 683] x 100 = -88.29%
Formula
Percentage change = [(80 - 683) / 683] x 100
Subtract the new number by the original number
80 - 683 = -603
-603 ÷ 683 = -0.8828696925329429
-0.8828696925329429 x 100 = -88.29%