24.81% is the change from 657 to 820
Calculation steps:
[( 820 - 657 ) ÷ 657] x 100 = 24.81%
Formula
Percentage change = [(820 - 657) / 657] x 100
Subtract the new number by the original number
820 - 657 = 163
163 ÷ 657 = 0.2480974124809741
0.2480974124809741 x 100 = 24.81%