63.24% is the change from 408 to 666
Calculation steps:
[( 666 - 408 ) ÷ 408] x 100 = 63.24%
Formula
Percentage change = [(666 - 408) / 408] x 100
Subtract the new number by the original number
666 - 408 = 258
258 ÷ 408 = 0.6323529411764706
0.6323529411764706 x 100 = 63.24%