63.46% is the change from 405 to 662
Calculation steps:
[( 662 - 405 ) ÷ 405] x 100 = 63.46%
Formula
Percentage change = [(662 - 405) / 405] x 100
Subtract the new number by the original number
662 - 405 = 257
257 ÷ 405 = 0.6345679012345679
0.6345679012345679 x 100 = 63.46%