-4.27% is the change from 492 to 471
Calculation steps:
[( 471 - 492 ) ÷ 492] x 100 = -4.27%
Formula
Percentage change = [(471 - 492) / 492] x 100
Subtract the new number by the original number
471 - 492 = -21
-21 ÷ 492 = -0.042682926829268296
-0.042682926829268296 x 100 = -4.27%