25.08% is the change from 646 to 808
Calculation steps:
[( 808 - 646 ) ÷ 646] x 100 = 25.08%
Formula
Percentage change = [(808 - 646) / 646] x 100
Subtract the new number by the original number
808 - 646 = 162
162 ÷ 646 = 0.25077399380804954
0.25077399380804954 x 100 = 25.08%