55.42% is the change from 406 to 631
Calculation steps:
[( 631 - 406 ) ÷ 406] x 100 = 55.42%
Formula
Percentage change = [(631 - 406) / 406] x 100
Subtract the new number by the original number
631 - 406 = 225
225 ÷ 406 = 0.5541871921182266
0.5541871921182266 x 100 = 55.42%