64.78% is the change from 406 to 669
Calculation steps:
[( 669 - 406 ) ÷ 406] x 100 = 64.78%
Formula
Percentage change = [(669 - 406) / 406] x 100
Subtract the new number by the original number
669 - 406 = 263
263 ÷ 406 = 0.6477832512315271
0.6477832512315271 x 100 = 64.78%