-88.73% is the change from 683 to 77
Calculation steps:
[( 77 - 683 ) ÷ 683] x 100 = -88.73%
Formula
Percentage change = [(77 - 683) / 683] x 100
Subtract the new number by the original number
77 - 683 = -606
-606 ÷ 683 = -0.8872620790629575
-0.8872620790629575 x 100 = -88.73%