59.9% is the change from 404 to 646
Calculation steps:
[( 646 - 404 ) ÷ 404] x 100 = 59.9%
Formula
Percentage change = [(646 - 404) / 404] x 100
Subtract the new number by the original number
646 - 404 = 242
242 ÷ 404 = 0.599009900990099
0.599009900990099 x 100 = 59.9%