58.42% is the change from 404 to 640
Calculation steps:
[( 640 - 404 ) ÷ 404] x 100 = 58.42%
Formula
Percentage change = [(640 - 404) / 404] x 100
Subtract the new number by the original number
640 - 404 = 236
236 ÷ 404 = 0.5841584158415841
0.5841584158415841 x 100 = 58.42%