-87.85% is the change from 683 to 83
Calculation steps:
[( 83 - 683 ) ÷ 683] x 100 = -87.85%
Formula
Percentage change = [(83 - 683) / 683] x 100
Subtract the new number by the original number
83 - 683 = -600
-600 ÷ 683 = -0.8784773060029283
-0.8784773060029283 x 100 = -87.85%