-92.07% is the change from 492 to 39
Calculation steps:
[( 39 - 492 ) ÷ 492] x 100 = -92.07%
Formula
Percentage change = [(39 - 492) / 492] x 100
Subtract the new number by the original number
39 - 492 = -453
-453 ÷ 492 = -0.9207317073170732
-0.9207317073170732 x 100 = -92.07%