30.15% is the change from 408 to 531
Calculation steps:
[( 531 - 408 ) ÷ 408] x 100 = 30.15%
Formula
Percentage change = [(531 - 408) / 408] x 100
Subtract the new number by the original number
531 - 408 = 123
123 ÷ 408 = 0.3014705882352941
0.3014705882352941 x 100 = 30.15%