63.79% is the change from 406 to 665
Calculation steps:
[( 665 - 406 ) ÷ 406] x 100 = 63.79%
Formula
Percentage change = [(665 - 406) / 406] x 100
Subtract the new number by the original number
665 - 406 = 259
259 ÷ 406 = 0.6379310344827587
0.6379310344827587 x 100 = 63.79%