-20.33% is the change from 492 to 392
Calculation steps:
[( 392 - 492 ) ÷ 492] x 100 = -20.33%
Formula
Percentage change = [(392 - 492) / 492] x 100
Subtract the new number by the original number
392 - 492 = -100
-100 ÷ 492 = -0.2032520325203252
-0.2032520325203252 x 100 = -20.33%