-52.45% is the change from 490 to 233
Calculation steps:
[( 233 - 490 ) ÷ 490] x 100 = -52.45%
Formula
Percentage change = [(233 - 490) / 490] x 100
Subtract the new number by the original number
233 - 490 = -257
-257 ÷ 490 = -0.5244897959183673
-0.5244897959183673 x 100 = -52.45%