28.93% is the change from 636 to 820
Calculation steps:
[( 820 - 636 ) ÷ 636] x 100 = 28.93%
Formula
Percentage change = [(820 - 636) / 636] x 100
Subtract the new number by the original number
820 - 636 = 184
184 ÷ 636 = 0.2893081761006289
0.2893081761006289 x 100 = 28.93%