62.81% is the change from 406 to 661
Calculation steps:
[( 661 - 406 ) ÷ 406] x 100 = 62.81%
Formula
Percentage change = [(661 - 406) / 406] x 100
Subtract the new number by the original number
661 - 406 = 255
255 ÷ 406 = 0.6280788177339901
0.6280788177339901 x 100 = 62.81%