-99.39% is the change from 492 to 3
Calculation steps:
[( 3 - 492 ) ÷ 492] x 100 = -99.39%
Formula
Percentage change = [(3 - 492) / 492] x 100
Subtract the new number by the original number
3 - 492 = -489
-489 ÷ 492 = -0.9939024390243902
-0.9939024390243902 x 100 = -99.39%