-41.28% is the change from 390 to 229
Calculation steps:
[( 229 - 390 ) ÷ 390] x 100 = -41.28%
Formula
Percentage change = [(229 - 390) / 390] x 100
Subtract the new number by the original number
229 - 390 = -161
-161 ÷ 390 = -0.4128205128205128
-0.4128205128205128 x 100 = -41.28%