-53.27% is the change from 490 to 229
Calculation steps:
[( 229 - 490 ) ÷ 490] x 100 = -53.27%
Formula
Percentage change = [(229 - 490) / 490] x 100
Subtract the new number by the original number
229 - 490 = -261
-261 ÷ 490 = -0.5326530612244897
-0.5326530612244897 x 100 = -53.27%