-93.9% is the change from 82 to 5
Calculation steps:
[( 5 - 82 ) ÷ 82] x 100 = -93.9%
Formula
Percentage change = [(5 - 82) / 82] x 100
Subtract the new number by the original number
5 - 82 = -77
-77 ÷ 82 = -0.9390243902439024
-0.9390243902439024 x 100 = -93.9%