-95.18% is the change from 83 to 4
Calculation steps:
[( 4 - 83 ) ÷ 83] x 100 = -95.18%
Formula
Percentage change = [(4 - 83) / 83] x 100
Subtract the new number by the original number
4 - 83 = -79
-79 ÷ 83 = -0.9518072289156626
-0.9518072289156626 x 100 = -95.18%