-33.27% is the change from 490 to 327
Calculation steps:
[( 327 - 490 ) ÷ 490] x 100 = -33.27%
Formula
Percentage change = [(327 - 490) / 490] x 100
Subtract the new number by the original number
327 - 490 = -163
-163 ÷ 490 = -0.3326530612244898
-0.3326530612244898 x 100 = -33.27%