28.39% is the change from 620 to 796
Calculation steps:
[( 796 - 620 ) ÷ 620] x 100 = 28.39%
Formula
Percentage change = [(796 - 620) / 620] x 100
Subtract the new number by the original number
796 - 620 = 176
176 ÷ 620 = 0.2838709677419355
0.2838709677419355 x 100 = 28.39%