21.16% is the change from 657 to 796
Calculation steps:
[( 796 - 657 ) ÷ 657] x 100 = 21.16%
Formula
Percentage change = [(796 - 657) / 657] x 100
Subtract the new number by the original number
796 - 657 = 139
139 ÷ 657 = 0.2115677321156773
0.2115677321156773 x 100 = 21.16%