64.85% is the change from 404 to 666
Calculation steps:
[( 666 - 404 ) ÷ 404] x 100 = 64.85%
Formula
Percentage change = [(666 - 404) / 404] x 100
Subtract the new number by the original number
666 - 404 = 262
262 ÷ 404 = 0.6485148514851485
0.6485148514851485 x 100 = 64.85%