-81.56% is the change from 499 to 92
Calculation steps:
[( 92 - 499 ) ÷ 499] x 100 = -81.56%
Formula
Percentage change = [(92 - 499) / 499] x 100
Subtract the new number by the original number
92 - 499 = -407
-407 ÷ 499 = -0.8156312625250501
-0.8156312625250501 x 100 = -81.56%