28.51% is the change from 505 to 649
Calculation steps:
[( 649 - 505 ) ÷ 505] x 100 = 28.51%
Formula
Percentage change = [(649 - 505) / 505] x 100
Subtract the new number by the original number
649 - 505 = 144
144 ÷ 505 = 0.2851485148514851
0.2851485148514851 x 100 = 28.51%