64.29% is the change from 406 to 667
Calculation steps:
[( 667 - 406 ) ÷ 406] x 100 = 64.29%
Formula
Percentage change = [(667 - 406) / 406] x 100
Subtract the new number by the original number
667 - 406 = 261
261 ÷ 406 = 0.6428571428571429
0.6428571428571429 x 100 = 64.29%