24.77% is the change from 646 to 806
Calculation steps:
[( 806 - 646 ) ÷ 646] x 100 = 24.77%
Formula
Percentage change = [(806 - 646) / 646] x 100
Subtract the new number by the original number
806 - 646 = 160
160 ÷ 646 = 0.2476780185758514
0.2476780185758514 x 100 = 24.77%