63.97% is the change from 408 to 669
Calculation steps:
[( 669 - 408 ) ÷ 408] x 100 = 63.97%
Formula
Percentage change = [(669 - 408) / 408] x 100
Subtract the new number by the original number
669 - 408 = 261
261 ÷ 408 = 0.6397058823529411
0.6397058823529411 x 100 = 63.97%